749 Species of Genus Indigofera

Indigofera: A World of Blue

My name is Ferb Vu, and I’ve always been fascinated by the natural world, particularly the vibrant colors found in plants. One genus that has captured my attention is Indigofera, a diverse group of over 700 species known for their historical significance and striking beauty. These plants, belonging to the Fabaceae family (legumes), have been utilized for centuries as a source of indigo dye, a rich blue pigment that has colored textiles and artwork across cultures.  

A Colorful History

Imagine a world without blue jeans. It’s hard to fathom, isn’t it? Yet, before the widespread use of synthetic dyes, the blue color in our clothes came primarily from plants like Indigofera. Species like Indigofera tinctoria (true indigo) and Indigofera suffruticosa (anil indigo) were cultivated extensively for their ability to yield this precious dye. The process was intricate, involving fermenting the plant leaves to extract the blue pigment. This natural dye was not only used for clothing but also in paints and artwork, leaving a lasting mark on human history.  

Diverse Forms and Habitats

Indigofera is a truly global citizen, with species found throughout the tropical and subtropical regions of the world. They exhibit a remarkable diversity in form, ranging from small herbaceous plants to shrubs and even small trees. Some species boast vibrant red or purple flowers, while others have more subtle, yet equally beautiful, white or yellow blooms.  

1. Indigofera abbottii Schrire & K.W.Grieve
2. Indigofera acanthinocarpa Blatt.
3. Indigofera acanthoclada Dinter
4. Indigofera achyranthoides Taub.
5. Indigofera acutipetala Y.Y.Fang & C.Z.Zheng
6. Indigofera acutisepala Conrath ex Baker f.
7. Indigofera adenocarpa E.Mey.
8. Indigofera adenoides Baker f.
9. Indigofera adenotricha Peter G.Wilson
10. Indigofera adesmiifolia A.Gray
11. Indigofera alopecuroides DC.
12. Indigofera alpina Eckl. & Zeyh.
13. Indigofera alternans DC.
14. Indigofera ambelacensis Schweinf.
15. Indigofera amblyantha Craib
16. Indigofera amitina N.E.Br.
17. Indigofera ammobia Maconochie
18. Indigofera ammoxylon (DC.) Polhill
19. Indigofera amoena Aiton
20. Indigofera amorphoides Jaub. & Spach
21. Indigofera anabibensis A.Schreib.
22. Indigofera ancistrocarpa Thulin
23. Indigofera andrewsiana J.B.Gillett
24. Indigofera andringitrensis R.Vig.
25. Indigofera angulosa Edgew.
26. Indigofera angustata E.Mey.
27. Indigofera ankaratrensis R.Vig.
28. Indigofera antunesiana Harms
29. Indigofera arabica Jaub. & Spach
30. Indigofera aralensis Gagnep.
31. Indigofera arenophila Schinz
32. Indigofera argentea Burm.f.
33. Indigofera argutidens Craib
34. Indigofera arnottii (Kuntze) Peter G.Wilson
35. Indigofera arrecta Hochst. ex A.Rich.
36. Indigofera articulata Gouan
37. Indigofera asantasanensis Schrire & V.R.Clark
38. Indigofera aspalathoides Vahl ex DC.
39. Indigofera aspera Perr. ex DC.
40. Indigofera asperifolia Bong. ex Benth.
41. Indigofera asterocalycina Gilli
42. Indigofera astragalina DC.
43. Indigofera astragaloides Welw. ex Romariz
44. Indigofera atrata N.E.Br.
45. Indigofera atricephala J.B.Gillett
46. Indigofera atriceps Hook.f.
47. Indigofera atropurpurea Buch.-Ham. ex Hornem.
48. Indigofera auricoma E.Mey.
49. Indigofera australis Willd.
50. Indigofera baileyi F.Muell.
51. Indigofera bainesii Baker
52. Indigofera balfouriana Craib
53. Indigofera bancroftii Peter G.Wilson
54. Indigofera bangweolensis R.E.Fr.
55. Indigofera banii N.D.Khôi & Yakovlev
56. Indigofera barberi Gamble
57. Indigofera barkeri du Preez & Schrire
58. Indigofera barotseensis Schrire
59. Indigofera barteri Hutch. & Dalziel
60. Indigofera basedowii E.Pritz.
61. Indigofera basiflora J.B.Gillett
62. Indigofera basotha du Preez & Schrire
63. Indigofera baumiana Harms
64. Indigofera bayensis Thulin
65. Indigofera bella Prain
66. Indigofera bemarahaensis Du Puy & Labat
67. Indigofera benguellensis Baker
68. Indigofera berhautiana J.B.Gillett
69. Indigofera biglandulosa J.B.Gillett
70. Indigofera binderi Kotschy
71. Indigofera blaiseae Du Puy & Labat
72. Indigofera blanchetiana Benth.
73. Indigofera bogdanii J.B.Gillett
74. Indigofera boinensis R.Vig.
75. Indigofera bojeri Baker
76. Indigofera bongardiana (Kuntze) Burkart
77. Indigofera bongensis Kotschy & Peyr.
78. Indigofera boranica Thulin
79. Indigofera bosseri Du Puy & Labat
80. Indigofera boviperda Morrison
81. Indigofera brachynema J.B.Gillett
82. Indigofera brachyphylla Al-Turki
83. Indigofera brachystachya E.Mey.
84. Indigofera bracteata Graham ex Baker
85. Indigofera bracteolata DC.
86. Indigofera brassii Baker
87. Indigofera brennanii Peter G.Wilson
88. Indigofera brevicalyx Baker f.
89. Indigofera brevidens Benth.
90. Indigofera brevifilamenta J.B.Gillett
91. Indigofera breviracemosa Torre
92. Indigofera breviviscosa J.B.Gillett
93. Indigofera brunoniana Graham ex Wall.
94. Indigofera buchananii Burtt Davy
95. Indigofera bungeana Walp.
96. Indigofera burchellii DC.
97. Indigofera burttii Baker f.
98. Indigofera bussei J.B.Gillett
99. Indigofera byobiensis Hosok.
100. Indigofera calcicola Craib
101. Indigofera caloneura Kurz
102. Indigofera campestris Bong. ex Benth.
103. Indigofera candicans Aiton
104. Indigofera candolleana Meisn.
105. Indigofera capillaris Thunb.
106. Indigofera capitata Kotschy
107. Indigofera carlesii Craib
108. Indigofera caroliniana Mill.
109. Indigofera cassioides Rottler ex DC.
110. Indigofera caudata Dunn
111. Indigofera cavallii Chiov.
112. Indigofera ceciliae N.E.Br.
113. Indigofera cedrorum Dunn
114. Indigofera centralis Peter G.Wilson & Rowe
115. Indigofera cerighellii M.Peltier
116. Indigofera chaetodonta Franch.
117. Indigofera chamaeclada Peter G.Wilson & Rowe
118. Indigofera charlieriana Schinz
119. Indigofera chenii S.S.Chien
120. Indigofera chevalieri Tisser.
121. Indigofera chimanimaniensis Schrire
122. Indigofera chirensis Cufod. ex J.B.Gillett
123. Indigofera chitralensis Sanjappa
124. Indigofera ciferrii Chiov.
125. Indigofera cinericolor F.Muell.
126. Indigofera circinella Baker f.
127. Indigofera circinnata Benth. ex Harv.
128. Indigofera cliffordiana J.B.Gillett
129. Indigofera cloiselii Drake
130. Indigofera coerulea Roxb.
131. Indigofera cogmaniana du Preez & Schrire
132. Indigofera colutea (Burm.f.) Merr.
133. Indigofera commixta N.E.Br.
134. Indigofera comosa N.E.Br.
135. Indigofera complanata Rchb. ex Spreng.
136. Indigofera complicata Eckl. & Zeyh.
137. Indigofera compressa Lam.
138. Indigofera concava Harv.
139. Indigofera concinna Baker
140. Indigofera conferta J.B.Gillett
141. Indigofera congesta Welw. ex Baker
142. Indigofera congolensis De Wild. & T.Durand
143. Indigofera conjugata Baker
144. Indigofera constricta (Thwaites) Trimen
145. Indigofera conzattii Rose
146. Indigofera corallinosperma Torre
147. Indigofera cordifolia B.Heyne ex Roth
148. Indigofera corniculata E.Mey.
149. Indigofera cornuligera Peter G.Wilson & Rowe
150. Indigofera coronillifolia A.Cunn. ex Benth.
151. Indigofera coronilloides M.Martens & Galeotti
152. Indigofera costaricensis Benth.
153. Indigofera crebra N.E.Br.
154. Indigofera crotalarioides (Klotzsch) Baker
155. Indigofera cryptantha Benth. ex Harv.
156. Indigofera cuernavacana Rose
157. Indigofera cuitoensis Baker f.
158. Indigofera cuneata Baker
159. Indigofera cuneifolia Eckl. & Zeyh.
160. Indigofera cunenensis Torre
161. Indigofera curvata J.B.Gillett
162. Indigofera curvirostrata Thulin
163. Indigofera cuspidata Peter G.Wilson & Rowe
164. Indigofera cylindracea Graham ex Baker
165. Indigofera cytisoides L.
166. Indigofera daleoides Benth. ex Harv.
167. Indigofera dalzelliana (Kuntze) Peter G.Wilson
168. Indigofera damarana Merxm. & A.Schreib.
169. Indigofera dasyantha Baker f.
170. Indigofera dasycephala Baker f.
171. Indigofera dauensis J.B.Gillett
172. Indigofera deccanensis Sanjappa
173. Indigofera decipiens Peter G.Wilson & Rowe
174. Indigofera declinata E.Mey.
175. Indigofera decora Lindl.
176. Indigofera deflersii Baker f.
177. Indigofera deightonii J.B.Gillett
178. Indigofera dekindtii Tisser.
179. Indigofera delagoaensis Baker f. ex J.B.Gillett
180. Indigofera delavayi Franch.
181. Indigofera dembianensis (Chiov.) J.B.Gillett
182. Indigofera demissa Taub.
183. Indigofera dendroides Jacq.
184. Indigofera densa N.E.Br.
185. Indigofera densiflora M.Martens & Galeotti
186. Indigofera densifructa Y.Y.Fang & C.Z.Zheng
187. Indigofera denudata L.f.
188. Indigofera depauperata Drake
189. Indigofera deserticola Peter G.Wilson & Rowe
190. Indigofera desertorum Torre
191. Indigofera dichroa Craib
192. Indigofera digitata L.f.
193. Indigofera dillwynioides Benth. ex Harv.
194. Indigofera dimidiata Vogel ex Walp.
195. Indigofera dionaeifolia (S.Moore) Schrire
196. Indigofera diphylla Vent.
197. Indigofera discolor E.Mey.
198. Indigofera dissitiflora Baker
199. Indigofera disticha Eckl. & Zeyh.
200. Indigofera diversifolia DC.
201. Indigofera dodii du Preez & Schrire
202. Indigofera dolichochaete Craib
203. Indigofera dosua Buch.-Ham. ex D.Don
204. Indigofera dregeana E.Mey.
205. Indigofera drepanocarpa Taub.
206. Indigofera dumbeana M.Pignal & L.P.Queiroz
207. Indigofera dumetorum Craib
208. Indigofera dumosa E.Mey.
209. Indigofera dyeri Britten
210. Indigofera edwardi Govaerts
211. Indigofera efoliata F.Muell.
212. Indigofera egens N.E.Br.
213. Indigofera elachantha Peter G.Wilson & Rowe
214. Indigofera elandsbergensis Phillipson
215. Indigofera ellenbeckii Baker f.
216. Indigofera elliotii (Baker f.) J.B.Gillett
217. Indigofera elwakensis J.B.Gillett
218. Indigofera emarginella Steud. ex A.Rich.
219. Indigofera emarginelloides J.B.Gillett
220. Indigofera emmae de Kort & G.Thijsse
221. Indigofera enormis N.E.Br.
222. Indigofera erecta Thunb.
223. Indigofera eremophila Thulin
224. Indigofera eriocarpa E.Mey.
225. Indigofera eriophylla Peter G.Wilson & Rowe
226. Indigofera ernstii du Preez & Schrire
227. Indigofera erubescens Peter G.Wilson & Rowe
228. Indigofera erythrogramma Welw. ex Baker
229. Indigofera esquirolii H.Lév.
230. Indigofera evansiana Burtt Davy
231. Indigofera evansii Schltr.
232. Indigofera ewartiana Domin
233. Indigofera exellii Torre
234. Indigofera exigua Eckl. & Zeyh.
235. Indigofera exilis Grierson & D.G.Long
236. Indigofera eylesiana J.B.Gillett
237. Indigofera fanshawei J.B.Gillett
238. Indigofera faulknerae J.B.Gillett
239. Indigofera filicaulis Eckl. & Zeyh.
240. Indigofera filifolia Thunb.
241. Indigofera filiformis Thunb.
242. Indigofera filipes Benth. ex Harv.
243. Indigofera fimbriolata Peter G.Wilson
244. Indigofera flabellata Harv.
245. Indigofera flavicans Baker
246. Indigofera fleckii Baker f.
247. Indigofera floresii Cruz Durán & M.Sousa
248. Indigofera floribunda N.E.Br.
249. Indigofera foliosa E.Mey.
250. Indigofera fortunei Craib
251. Indigofera fractiflexa Peter G.Wilson & Rowe
252. Indigofera franchetii X.F.Gao & Schrire
253. Indigofera frondosa N.E.Br.
254. Indigofera frutescens L.f.
255. Indigofera fruticosa Rose
256. Indigofera fulcrata Harv.
257. Indigofera fulgens Baker
258. Indigofera fulvopilosa Brenan
259. Indigofera fuscobarbata Schrire
260. Indigofera fuscosetosa Baker
261. Indigofera gairdnerae Hutch. ex Baker f.
262. Indigofera galegoides DC.
263. Indigofera galpinii N.E.Br.
264. Indigofera gangetica Sanjappa
265. Indigofera garckeana Vatke
266. Indigofera gariepensis du Preez & Schrire
267. Indigofera geminata Baker
268. Indigofera georgei E.Pritz.
269. Indigofera gerrardiana Harv.
270. Indigofera giessii A.Schreib.
271. Indigofera gifbergensis C.H.Stirt. & Jarvie
272. Indigofera gilesii Peter G.Wilson & Rowe
273. Indigofera glabra L.
274. Indigofera glandulosa J.C.Wendl.
275. Indigofera glaucescens Eckl. & Zeyh.
276. Indigofera glaucifolia Cronquist
277. Indigofera glomerata E.Mey.
278. Indigofera gloriosa Cronquist
279. Indigofera gobensis Schrire
280. Indigofera goetzei Harms
281. Indigofera gracilis Spreng.
282. Indigofera grandiflora B.H.Choi & S.K.Cho
283. Indigofera graniticola J.B.Gillett
284. Indigofera grata E.Mey.
285. Indigofera griseoides Harms
286. Indigofera grisophylla Fourc.
287. Indigofera guaranitica Hassl.
288. Indigofera guthriei Bolus
289. Indigofera gypsacea Thulin
290. Indigofera haematica Peter G.Wilson
291. Indigofera hamulosa Schltr.
292. Indigofera hancockii Craib
293. Indigofera hantamensis Diels
294. Indigofera haplophylla F.Muell.
295. Indigofera hebepetala Benth. ex Baker
296. Indigofera hedyantha Eckl. & Zeyh.
297. Indigofera helmsii Peter G.Wilson
298. Indigofera hendecaphylla Jacq.
299. Indigofera henryi Craib
300. Indigofera hermannioides J.B.Gillett
301. Indigofera herrstreyi Schrire & K.W.Grieve
302. Indigofera heterantha Wall. ex Brandis
303. Indigofera heterocarpa Welw. ex Baker
304. Indigofera heterophylla Thunb.
305. Indigofera heterotricha DC.
306. Indigofera heudelotii Benth. ex Baker
307. Indigofera hewittii Baker f.
308. Indigofera hilaris Eckl. & Zeyh.
309. Indigofera hillburttii Schrire & K.W.Grieve
310. Indigofera himachalensis V.Chauhan & A.K.Pandey
311. Indigofera himalayensis Ali
312. Indigofera hiranensis Thulin
313. Indigofera hirsuta L.
314. Indigofera hirsutissima M.Sousa & Cruz Durán
315. Indigofera hispida Eckl. & Zeyh.
316. Indigofera hochstetteri Baker
317. Indigofera hofmanniana Schinz
318. Indigofera hololeuca Benth. ex Harv.
319. Indigofera holubii N.E.Br.
320. Indigofera homblei Baker f. & W.Martin
321. Indigofera hopingensis S.S.Ying
322. Indigofera howellii Craib & W.W.Sm.
323. Indigofera huillensis Baker f.
324. Indigofera humbertiana M.Peltier
325. Indigofera humifusa Eckl. & Zeyh.
326. Indigofera humilis Kunth
327. Indigofera hundtii Rossbach
328. Indigofera huntleyi Schrire & K.W.Grieve
329. Indigofera hybrida N.E.Br.
330. Indigofera hydra Schrire & K.W.Grieve
331. Indigofera hygrobia Malme
332. Indigofera imerinensis Du Puy & Labat
333. Indigofera incana Thunb.
334. Indigofera incompta McVaugh
335. Indigofera ingrata N.E.Br.
336. Indigofera inhambanensis Klotzsch
337. Indigofera intermedia Harv.
338. Indigofera interrupta (Du Puy, Labat & Schrire) Schrire
339. Indigofera intricata Boiss.
340. Indigofera ionii Jarvie & C.H.Stirt.
341. Indigofera irodoensis Du Puy & Labat
342. Indigofera ischnoclada Harms
343. Indigofera itremoensis Du Puy & Labat
344. Indigofera ixocarpa Peter G.Wilson & Rowe
345. Indigofera jaisalmerica C.S.Purohit & Kulloli
346. Indigofera jaliscensis Rose
347. Indigofera jikongensis Y.Y.Fang & C.Z.Zheng
348. Indigofera jindongensis Y.Y.Fang & C.Z.Zheng
349. Indigofera jucunda Schrire
350. Indigofera kaessneri Baker f.
351. Indigofera karkarensis Thulin
352. Indigofera kavangoensis Schrire
353. Indigofera kelleri Baker f.
354. Indigofera kerrii de Kort & G.Thijsse
355. Indigofera kerstingii Harms
356. Indigofera kingiana Peter G.Wilson & Rowe
357. Indigofera kirilowii Maxim. ex Palibin
358. Indigofera kirkii Oliv.
359. Indigofera kongwaensis J.B.Gillett
360. Indigofera koreana Ohwi
361. Indigofera krookii Schltr. ex Zahlbr.
362. Indigofera kuntzei Harms
363. Indigofera kurtzii Harms
364. Indigofera lacei Craib
365. Indigofera lancifolia Rydb.
366. Indigofera langebergensis L.Bolus
367. Indigofera langlassei Rydb.
368. Indigofera lasiantha Desv.
369. Indigofera latifolia Micheli
370. Indigofera latisepala J.B.Gillett
371. Indigofera laxeracemosa Baker f.
372. Indigofera laxiflora Craib
373. Indigofera leendertziae N.E.Br.
374. Indigofera lenticellata Craib
375. Indigofera lepida N.E.Br.
376. Indigofera leprieurii (Kuntze) Baker f.
377. Indigofera leptocarpa Eckl. & Zeyh.
378. Indigofera leptoclada Harms
379. Indigofera lespedezioides Kunth
380. Indigofera letestui Tisser.
381. Indigofera leucoclada Baker
382. Indigofera leucotricha E.Pritz.
383. Indigofera limosa L.Bolus
384. Indigofera lindheimeriana Scheele
385. Indigofera linifolia (L.f.) Retz.
386. Indigofera litoralis Chun & H.Y.Chen
387. Indigofera livingstoniana J.B.Gillett
388. Indigofera longebarbata Engl.
389. Indigofera longibractea J.M.Black
390. Indigofera longicauda Thuan
391. Indigofera longidentata (Du Puy, Labat & Schrire) Schrire
392. Indigofera longimucronata Baker f.
393. Indigofera longipedicellata J.B.Gillett
394. Indigofera longiracemosa Boivin ex Baill.
395. Indigofera longistaminata Schrire
396. Indigofera lotononoides Baker f.
397. Indigofera lughensis Thulin
398. Indigofera lupatana Baker f.
399. Indigofera luzonensis de Kort & G.Thijsse
400. Indigofera lyallii Baker
401. Indigofera lydenburgensis N.E.Br.
402. Indigofera macrantha Harms
403. Indigofera macrocalyx Guill. & Perr.
404. Indigofera macrophylla Schumach.
405. Indigofera magallanesii Cruz Durán & M.Sousa
406. Indigofera magnifica Schrire & V.R.Clark
407. Indigofera mahafalensis (Du Puy, Labat & Schrire) Schrire
408. Indigofera mairei Pamp.
409. Indigofera malacostachys Benth.
410. Indigofera malindiensis J.B.Gillett
411. Indigofera malongensis Cronquist
412. Indigofera mangokyensis R.Vig.
413. Indigofera manyoniensis Baker f.
414. Indigofera mariosousae Rzed. & R.Grether
415. Indigofera maritima Baker
416. Indigofera marmorata Balf.f.
417. Indigofera masaiensis J.B.Gillett
418. Indigofera masonae N.E.Br.
419. Indigofera matudae Lundell
420. Indigofera mauritanica (L.) Thunb.
421. Indigofera maymyoensis Sanjappa
422. Indigofera megacephala J.B.Gillett
423. Indigofera megaphylla X.F.Gao
424. Indigofera melanadenia Benth. ex Harv.
425. Indigofera melanosticta Peter G.Wilson & Rowe
426. Indigofera mendesii Torre
427. Indigofera mendoncae J.B.Gillett
428. Indigofera mengtzeana Craib
429. Indigofera merxmuelleri A.Schreib.
430. Indigofera meyeriana Eckl. & Zeyh.
431. Indigofera micheliana Rose
432. Indigofera microcalyx Baker
433. Indigofera microcarpa Desv.
434. Indigofera micropetala Baker f.
435. Indigofera microscypha Baker
436. Indigofera mildbraediana J.B.Gillett
437. Indigofera mildrediana Torre
438. Indigofera milne-redheadii J.B.Gillett
439. Indigofera mimosoides Baker
440. Indigofera minbuensis Gage
441. Indigofera miniata Ortega
442. Indigofera mischocarpa Schltr.
443. Indigofera mollicoma N.E.Br.
444. Indigofera mollis Eckl. & Zeyh.
445. Indigofera monantha Baker f.
446. Indigofera monanthoides J.B.Gillett
447. Indigofera monieriana M.Pignal & L.P.Queiroz
448. Indigofera monophylla DC.
449. Indigofera monostachya Eckl. & Zeyh.
450. Indigofera montana Rose
451. Indigofera mooneyi Thulin
452. Indigofera morroensis São Paulo & L.P.Queiroz
453. Indigofera mouroundavensis Baill.
454. Indigofera muliensis Y.Y.Fang & C.Z.Zheng
455. Indigofera mundiana Eckl. & Zeyh.
456. Indigofera mupensis Torre
457. Indigofera mwanzae J.B.Gillett
458. Indigofera myosurus Craib
459. Indigofera mysorensis Rottler ex DC.
460. Indigofera nairobiensis Baker f.
461. Indigofera nambalensis Harms
462. Indigofera namuliensis Schrire
463. Indigofera natalensis Bolus
464. Indigofera nebrowniana J.B.Gillett
465. Indigofera neglecta N.E.Br.
466. Indigofera nelsonii Rydb.
467. Indigofera neosericopetala P.C.Li
468. Indigofera nephrocarpa Balf.f.
469. Indigofera nephrocarpoides J.B.Gillett
470. Indigofera ngwenyana Schrire & K.W.Grieve
471. Indigofera nigrescens Kurz ex King & Prain
472. Indigofera nigricans Vahl ex Pers.
473. Indigofera nigritana Hook.f.
474. Indigofera nigromontana Eckl. & Zeyh.
475. Indigofera nudicaulis E.Mey.
476. Indigofera nugalensis Thulin
477. Indigofera nummularia Welw. ex Baker
478. Indigofera nummulariifolia (L.) Livera ex Alston
479. Indigofera nyassica Gilli
480. Indigofera obcordata Eckl. & Zeyh.
481. Indigofera oblongifolia Forssk.
482. Indigofera obscura N.E.Br.
483. Indigofera occidentalis Peter G.Wilson & Rowe
484. Indigofera ogadensis J.B.Gillett
485. Indigofera oligophylla Klotzsch
486. Indigofera omariana J.B.Gillett
487. Indigofera omissa J.B.Gillett
488. Indigofera oraria Peter G.Wilson & Rowe
489. Indigofera ormocarpoides Baker
490. Indigofera oubanguiensis Tisser.
491. Indigofera ovata Thunb.
492. Indigofera ovina Harv.
493. Indigofera oxalidea Welw. ex Baker
494. Indigofera oxyrachis Peter G.Wilson
495. Indigofera oxytropis Benth. ex Harv.
496. Indigofera palmeri S.Watson
497. Indigofera pampaniniana Craib
498. Indigofera panamensis Rydb.
499. Indigofera paniculata Vahl ex Pers.
500. Indigofera pappei Fourc.
501. Indigofera paracapitata J.B.Gillett
502. Indigofera paraglaucifolia Torre
503. Indigofera paraoxalidea Torre
504. Indigofera parkesii Craib
505. Indigofera parodiana Burkart
506. Indigofera patula Baker
507. Indigofera pauciflora Eckl. & Zeyh.
508. Indigofera paucifolioides Blatt. & Hallb.
509. Indigofera paucistrigosa J.B.Gillett
510. Indigofera pearsonii Baker f.
511. Indigofera pedicellata Wight & Arn.
512. Indigofera pedunculata Hils. & Bojer ex Baker
513. Indigofera pellucida J.B.Gillett & Thulin
514. Indigofera peltata J.B.Gillett
515. Indigofera peltieri Du Puy & Labat
516. Indigofera pendula Franch.
517. Indigofera penduloides Y.Y.Fang & C.Z.Zheng
518. Indigofera perrieri R.Vig.
519. Indigofera petiolata Cronquist
520. Indigofera petraea Peter G.Wilson & Rowe
521. Indigofera phyllanthoides Baker
522. Indigofera phymatodea Thulin
523. Indigofera pilifera Peter G.Wilson & Rowe
524. Indigofera pilosa Poir.
525. Indigofera pinifolia Baker
526. Indigofera pinnata (Burm.f.) J.F.B.Pastore & Agust.Martinez
527. Indigofera placida N.E.Br.
528. Indigofera platycarpa Rose
529. Indigofera platypoda E.Mey.
530. Indigofera platyspira J.B.Gillett ex Thulin & M.G.Gilbert
531. Indigofera pobeguinii J.B.Gillett
532. Indigofera podocarpa Baker f. & W.Martin
533. Indigofera podophylla Benth. ex Harv.
534. Indigofera poliotes Eckl. & Zeyh.
535. Indigofera polyclada Peter G.Wilson & Rowe
536. Indigofera polygaloides M.B.Scott
537. Indigofera polysphaera Baker
538. Indigofera pondoensis Baker f. ex Schrire & K.W.Grieve
539. Indigofera pongolana N.E.Br.
540. Indigofera porrecta Eckl. & Zeyh.
541. Indigofera pratensis F.Muell.
542. Indigofera praticola Baker f.
543. Indigofera pretoriana Harms
544. Indigofera prieureana Guill. & Perr.
545. Indigofera priorii Govaerts
546. Indigofera procumbens L.
547. Indigofera prostrata Willd.
548. Indigofera pruinosa Welw. ex Baker
549. Indigofera psammophila Peter G.Wilson
550. Indigofera pseudocompressa (Du Puy, Labat & Schrire) Schrire
551. Indigofera pseudodemissa Schrire
552. Indigofera pseudodyeri Schrire
553. Indigofera pseudoevansii Hilliard & B.L.Burtt
554. Indigofera pseudoheterantha X.F.Gao & Schrire
555. Indigofera pseudointricata J.B.Gillett
556. Indigofera pseudomoniliformis Schrire
557. Indigofera pseudonigrescens X.F.Gao & X.L.Zhao
558. Indigofera pseudoparvula R.Vig.
559. Indigofera pseudoreticulata Grierson & D.G.Long
560. Indigofera pseudosubulata Baker f.
561. Indigofera psoraloides (L.) L.
562. Indigofera pueblensis Rydb.
563. Indigofera pulchra Willd.
564. Indigofera punctata Thunb.
565. Indigofera pungens E.Mey.
566. Indigofera purpusii Brandegee
567. Indigofera quarrei Cronquist
568. Indigofera queenslandica Peter G.Wilson & Rowe
569. Indigofera quinquefolia E.Mey.
570. Indigofera radicifera Cronquist
571. Indigofera ramosissima J.B.Gillett
572. Indigofera ramulosissima Hosok.
573. Indigofera rautanenii Baker f.
574. Indigofera reducta N.E.Br.
575. Indigofera rehmannii Baker f.
576. Indigofera repens Cronquist
577. Indigofera reticulata Franch.
578. Indigofera rhodantha Fourc.
579. Indigofera rhynchocarpa Welw. ex Baker
580. Indigofera rhytidocarpa Benth. ex Harv.
581. Indigofera richardsiae J.B.Gillett
582. Indigofera rigioclada Craib
583. Indigofera ripae N.E.Br.
584. Indigofera rivularis Peter G.Wilson
585. Indigofera robinsonii Schrire
586. Indigofera rojasii Hassl.
587. Indigofera roseocaerulea Baker f.
588. Indigofera roseola Peter G.Wilson & Rowe
589. Indigofera rostrata Bolus
590. Indigofera rothii Baker
591. Indigofera rotula Peter G.Wilson
592. Indigofera rubroglandulosa Germish.
593. Indigofera rubromarginata Thulin
594. Indigofera rugosa Benth.
595. Indigofera rumphiensis Schrire
596. Indigofera rupicola Peter G.Wilson & Rowe
597. Indigofera ruspolii Baker f.
598. Indigofera sabulosa Thulin
599. Indigofera salmoniflora Rose
600. Indigofera salteri du Preez & Schrire
601. Indigofera sanguinea N.E.Br.
602. Indigofera santapaui Sanjappa
603. Indigofera santosii Torre
604. Indigofera sarmentosa L.f.
605. Indigofera saxicola F.Muell. ex Benth.
606. Indigofera scabrella Kazandj. & Peter G.Wilson
607. Indigofera scabrida Dunn
608. Indigofera scarciesii Scott Elliot
609. Indigofera schimperi Jaub. & Spach
610. Indigofera schinzii N.E.Br.
611. Indigofera schlechteri Baker f.
612. Indigofera schliebenii Harms
613. Indigofera schultziana F.Muell.
614. Indigofera scopiformis Thulin
615. Indigofera sebungweensis J.B.Gillett
616. Indigofera secundiflora Poir.
617. Indigofera sedgewickiana Vatke & Hildebrandt
618. Indigofera semitrijuga Forssk.
619. Indigofera senegalensis Lam.
620. Indigofera sensitiva Franch.
621. Indigofera sericovexilla C.T.White
622. Indigofera serpentinicola Schrire
623. Indigofera sesquipedalis C.B.Clarke ex Sanjappa
624. Indigofera sessiliflora DC.
625. Indigofera sessilifolia DC.
626. Indigofera setiflora Baker
627. Indigofera setosa N.E.Br.
628. Indigofera shipingensis X.F.Gao
629. Indigofera silvestrii Pamp.
630. Indigofera simplicifolia Lam.
631. Indigofera sinaloensis M.Sousa & Cruz Durán
632. Indigofera sinuspersica Mozaff.
633. Indigofera sisalis J.B.Gillett
634. Indigofera smitinandii Mattapha & Chantar.
635. Indigofera smutsii J.B.Gillett
636. Indigofera sokotrana Vierh.
637. Indigofera solirimae Schrire
638. Indigofera sootepensis Craib
639. Indigofera sordida Benth. ex Harv.
640. Indigofera soutpansbergensis Schrire
641. Indigofera sparsa Baker
642. Indigofera sparteola Chiov.
643. Indigofera sphaerocarpa A.Gray
644. Indigofera sphinctosperma Standl.
645. Indigofera spicata Forssk.
646. Indigofera spinescens E.Mey.
647. Indigofera spiniflora Hochst. ex Boiss.
648. Indigofera spinosa Forssk.
649. Indigofera splendens Ficalho & Hiern
650. Indigofera squalida Prain
651. Indigofera stachyodes Lindl.
652. Indigofera stenophylla Guill. & Perr.
653. Indigofera stenosepala Baker
654. Indigofera sticta Craib
655. Indigofera streyana Merxm.
656. Indigofera stricta L.f.
657. Indigofera strobilifera (Hochst.) Hochst. ex Baker
658. Indigofera suarezensis Du Puy & Labat
659. Indigofera suaveolens Jaub. & Spach
660. Indigofera subargentea De Wild.
661. Indigofera subcorymbosa Baker
662. Indigofera subulata Vahl ex Poir.
663. Indigofera subulifera Welw. ex Baker
664. Indigofera suffruticosa Mill.
665. Indigofera sulcata DC.
666. Indigofera superba C.H.Stirt.
667. Indigofera sutherlandioides Welw. ex Baker
668. Indigofera swaziensis Bolus
669. Indigofera sylvicola Schrire & K.W.Grieve
670. Indigofera szechuensis Craib
671. Indigofera taborensis J.B.Gillett
672. Indigofera taiwaniana T.C.Huang & M.J.Wu
673. Indigofera tanaensis J.B.Gillett
674. Indigofera tanganyikensis Baker f.
675. Indigofera tanquana du Preez & Schrire
676. Indigofera taruffiana Torre
677. Indigofera taylorii J.B.Gillett
678. Indigofera teixeirae Torre
679. Indigofera tenuifolia Lam.
680. Indigofera tenuipes Polhill
681. Indigofera tenuissima E.Mey.
682. Indigofera tephrosioides Kunth
683. Indigofera terminalis Baker
684. Indigofera tetraptera Taub.
685. Indigofera tetrasperma Vahl ex Pers.
686. Indigofera thibaudiana DC.
687. Indigofera thikaensis J.B.Gillett
688. Indigofera thomsonii Baker f.
689. Indigofera thothathrii Sanjappa
690. Indigofera thymoides Baker
691. Indigofera tinctoria L.
692. Indigofera tirunelvelica Sanjappa
693. Indigofera tomentosa Eckl. & Zeyh.
694. Indigofera torrei J.B.Gillett
695. Indigofera torulosa E.Mey.
696. Indigofera trachyphylla Benth.
697. Indigofera transvaalensis Baker f.
698. Indigofera trialata A.Chev.
699. Indigofera trichopoda Lepr. ex Guill. & Perr.
700. Indigofera triflora Peter G.Wilson & Rowe
701. Indigofera trifoliata L.
702. Indigofera trifolioides Baker f.
703. Indigofera trigonelloides Jaub. & Spach
704. Indigofera triquetra E.Mey.
705. Indigofera tristis E.Mey.
706. Indigofera tristoides N.E.Br.
707. Indigofera trita L.f.
708. Indigofera truxillensis Kunth
709. Indigofera tryonii Domin
710. Indigofera tsiangiana Metcalf
711. Indigofera tumidula Rose
712. Indigofera tysonii Baker f. ex Schrire & K.W.Grieve
713. Indigofera udonthaniensis Mattapha & Chantar.
714. Indigofera ugandensis Baker f.
715. Indigofera ultima (Kuntze) Peter G.Wilson
716. Indigofera uniflora Buch.-Ham. ex Roxb.
717. Indigofera uniseminalis Rzed. & R.Grether
718. Indigofera vallicola Huan C.Wang & Jin L.Liu
719. Indigofera vanderystii J.B.Gillett
720. Indigofera vanwykii Schrire & K.W.Grieve
721. Indigofera velutina E.Mey.
722. Indigofera venulosa Champ. ex Benth.
723. Indigofera venusta Eckl. & Zeyh.
724. Indigofera verrucosa Eckl. & Zeyh.
725. Indigofera verruculosa Peter G.Wilson
726. Indigofera vestita Harv.
727. Indigofera vicioides Jaub. & Spach
728. Indigofera vigueri Callm. & Labat
729. Indigofera viscidissima Baker
730. Indigofera vohemarensis Baill.
731. Indigofera volkensii Taub.
732. Indigofera wannanii Peter G.Wilson
733. Indigofera warburtonensis Peter G.Wilson & Rowe
734. Indigofera wenholdiae du Preez & Schrire
735. Indigofera wentzeliana Harms
736. Indigofera wightii Graham ex Wight & Arn.
737. Indigofera wildiana J.B.Gillett
738. Indigofera williamsonii (Harv.) N.E.Br.
739. Indigofera wilmaniae Baker f. ex J.B.Gillett
740. Indigofera wilsonii Craib
741. Indigofera wituensis Baker f.
742. Indigofera woodii Bolus
743. Indigofera xerophila R.Vig.
744. Indigofera yuanjiangensis X.F.Gao & X.L.Zhao
745. Indigofera zanzibarica J.B.Gillett
746. Indigofera zavattarii Chiov.
747. Indigofera zenkeri Harms ex Baker f.
748. Indigofera zollingeriana Miq.
749. Indigofera zornioides Du Puy & Labat

Beyond the Blue

While Indigofera is best known for its role in dye production, its significance extends far beyond color. Many species play a crucial role in their ecosystems, providing food and habitat for a variety of insects and animals. Some Indigofera species are also used in traditional medicine, with various parts of the plant believed to have therapeutic properties.  

Furthermore, researchers are exploring the potential of Indigofera in modern applications. For instance, some species show promise as cover crops, improving soil fertility and preventing erosion. Others are being investigated for their potential use in biofuel production.  

A Continued Fascination

My interest in Indigofera continues to grow as I learn more about its diverse uses and ecological importance. This genus serves as a reminder of the intricate connections within the natural world and the profound impact that plants have had on human history. From the vibrant blue hues that have adorned textiles for centuries to the potential for modern applications, Indigofera remains a source of fascination and inspiration.