200 Species in Genus Cleome – Spider Flower

Cleome | Monsteraholic
September 17 – Cleome
"Cleome, the spider flower, defines September 17."
Cleome symbolizes creativity and independence. You think outside the box and follow your own path. Like its unique form, you stand out effortlessly.

Cleome: A Love Affair with Spider Flowers

My name is Ferb Vu, and I have a confession to make: I’m utterly captivated by Cleome. These fascinating plants, with their whimsical air and vibrant colors, have completely stolen my heart. Also known as spider flowers, spider plants, or bee plants, Cleome belong to the Cleomaceae family. They were previously classified under Capparaceae, but DNA studies revealed a closer relationship to Brassicaceae (the mustard family). This makes them a fascinating subject for botanists and plant enthusiasts like myself.

A Diverse and Global Family

The Cleome genus boasts a remarkable diversity, with around 200 species of herbaceous annuals, perennials, and shrubs. They’re practically globetrotters, found in tropical and warm temperate zones worldwide. This wide distribution speaks volumes about their adaptability and resilience.

  1. Cleome aculeata L.
  2. Cleome africana Botsch.
  3. Cleome afrospina Iltis
  4. Cleome albescens Franch.
  5. Cleome aldenella W.R.Ernst
  6. Cleome allamanii Chiov.
  7. Cleome amblyocarpa Barratte & Murb.
  8. Cleome angulata (DC.) Schult. & Schult.f.
  9. Cleome angustifolia Forssk.
  10. Cleome anomala Kunth
  11. Cleome arabica L.
  12. Cleome arenitensis Craven, Lepschi & Fryxell
  13. Cleome ariana Hedge & Lamond
  14. Cleome aspera J.Koenig ex DC.
  15. Cleome atropurpurea Schott
  16. Cleome augustinensis (Hochr.) Briq.
  17. Cleome bahiana (Iltis & Costa-e-Silva ex Soares Neto & Roalson) ined.
  18. Cleome bahiensis (Ule) Christenh. & Byng
  19. Cleome bicolor Gardner
  20. Cleome bojeri Hadj-Moust.
  21. Cleome boliviensis Iltis
  22. Cleome bororensis (Klotzsch) Oliv.
  23. Cleome brachiata (Bojer) Briq.
  24. Cleome brachycarpa Vahl ex DC.
  25. Cleome brachystyla Deflers
  26. Cleome brevipetiolata D.F.Chamb. & Lamond
  27. Cleome briquetii Polhill
  28. Cleome bundeica P.S.Short
  29. Cleome burttii R.A.Graham
  30. Cleome carnosa (Pax) Gilg & Gilg-Ben.
  31. Cleome chapalensis Iltis
  32. Cleome chelidonii L.f.
  33. Cleome chilensis DC.
  34. Cleome chiriquensis (Standl.) Govaerts
  35. Cleome chodatiana Iltis
  36. Cleome chrysantha Decne.
  37. Cleome cleomoides (F.Muell.) Iltis
  38. Cleome coccinea (Benth.) Govaerts
  39. Cleome coeruleorosea Gilg & Gilg-Ben.
  40. Cleome coluteoides Boiss.
  41. Cleome conrathii Burtt Davy
  42. Cleome cordobensis Eichler ex Griseb.
  43. Cleome cornus-africani (Thulin) Thulin
  44. Cleome costaricensis Iltis
  45. Cleome crenopetala A.DC.
  46. Cleome decipiens Triana & Planch.
  47. Cleome densiflora (Benth.) Triana & Planch.
  48. Cleome densifolia C.H.Wright
  49. Cleome diffusa Banks ex DC.
  50. Cleome dodecandra L.
  51. Cleome domingensis Iltis
  52. Cleome drepanocarpa O.Schwartz
  53. Cleome droserifolia (Forssk.) Delile
  54. Cleome dumosa Baker
  55. Cleome × ecuadorica Heilborn
  56. Cleome elegantissima Briq.
  57. Cleome eosina J.F.Macbr.
  58. Cleome erosa (Nutt.) Eaton
  59. Cleome felina L.f.
  60. Cleome flava Banks ex DC.
  61. Cleome foliolosa DC.
  62. Cleome foliosa Hook.f.
  63. Cleome formosa (Cochrane) N.Zamora
  64. Cleome fosteriana Iltis
  65. Cleome frutescens Aubl.
  66. Cleome gallaensis Gilg & Gilg-Ben.
  67. Cleome gigantea L.
  68. Cleome glandulosa Ruiz & Pav. ex DC.
  69. Cleome glaucescens DC.
  70. Cleome gobica Grubov
  71. Cleome gordjaginii Popov
  72. Cleome gossweileri Exell
  73. Cleome guaranitica (Chodat & Hassl.) Briq.
  74. Cleome guianensis Aubl.
  75. Cleome gynandra L. Plant FAQs: Cleome Gynandra
  76. Cleome hadramautica Thulin
  77. Cleome hanburyana Penz.
  78. Cleome hemsleyana (Bullock) Iltis
  79. Cleome heratensis Bunge & Bien. ex Boiss.
  80. Cleome hirta (Klotzsch) Oliv.
  81. Cleome hispidula (DC.) Govaerts
  82. Cleome horrida Mart. ex Schult. & Schult.f.
  83. Cleome houstonii R.Br.
  84. Cleome houtteana Schltdl.
  85. Cleome humilis Rose
  86. Cleome iberica DC.
  87. Cleome iberidella Welw. ex Oliv.
  88. Cleome inermis Malme
  89. Cleome insolata P.S.Short
  90. Cleome jamesii (Torr. & A.Gray) Govaerts
  91. Cleome jamesonii Briq.
  92. Cleome kalachariensis Gilg & Gilg-Ben.
  93. Cleome karachiensis S.Riaz, Abid & Qaiser
  94. Cleome karjaginii Tzvelev
  95. Cleome kelleriana (Schinz) Gilg & Gilg-Ben.
  96. Cleome kenneallyi Hewson
  97. Cleome kermesina Gilg & Gilg-Ben.
  98. Cleome kersiana Thulin
  99. Cleome khorassanica Bunge & Bien. ex Boiss.
  100. Cleome laburnifolia Roessler
  101. Cleome lanceolata (Mart. & Zucc.) Iltis
  102. Cleome latifolia Vahl ex DC.
  103. Cleome lechleri Eichler
  104. Cleome leptorachis Linden & Planch.
  105. Cleome lilloi M.Gómez
  106. Cleome limmenensis P.S.Short
  107. Cleome limoneolens J.F.Macbr.
  108. Cleome linophylla (O.Schwarz) Pax & K.Hoffm.
  109. Cleome lipskyi Popov
  110. Cleome longifolia C.Presl
  111. Cleome longipes Lamb. ex DC.
  112. Cleome lophosperma P.S.Short
  113. Cleome macradenia Schweinf.
  114. Cleome macrophylla (Klotzsch) Briq.
  115. Cleome macrorhiza C.Wright
  116. Cleome maculata (Sond.) Szyszył.
  117. Cleome magnifica Briq.
  118. Cleome mathewsii Briq.
  119. Cleome melanosperma S.Watson
  120. Cleome microaustralica Iltis
  121. Cleome microcarpa Ule
  122. Cleome monandra DC.
  123. Cleome monophylla L.
  124. Cleome monophylloides R.Wilczek
  125. Cleome moricandii Briq.
  126. Cleome moritziana Klotzsch ex Eichler
  127. Cleome mossamedensis Exell & Mendonça
  128. Cleome niamniamensis Schweinf. & Gilg
  129. Cleome oligandra Kers
  130. Cleome omanensis (D.F.Chamb. & Lamond) Thulin
  131. Cleome ornithopodioides L.
  132. Cleome oxalidea F.Muell.
  133. Cleome oxypetala Boiss.
  134. Cleome oxyphylla Burch.
  135. Cleome pakistanica (Jafri) Khatoon & A.Perveen
  136. Cleome pallida Kotschy
  137. Cleome paludosa Willd. ex Eichler
  138. Cleome paradoxa R.Br. ex DC.
  139. Cleome parviflora Kunth
  140. Cleome parvipetala R.A.Graham
  141. Cleome parvisepala Heilborn
  142. Cleome parvula R.A.Graham
  143. Cleome paxii (Schinz) Gilg & Gilg-Ben.
  144. Cleome perrieri Hadj-Moust.
  145. Cleome pilosa Benth.
  146. Cleome polyanthera Schweinf. & Gilg
  147. Cleome polytricha Franch.
  148. Cleome postrata D.Subram.
  149. Cleome procumbens Jacq.
  150. Cleome puberula Triana & Planch.
  151. Cleome puccionia Christenh. & Byng
  152. Cleome pulchella (Lindl.) Schult. & Schult.f.
  153. Cleome quinquenervia DC.
  154. Cleome ramosissima Parl. ex Webb
  155. Cleome regnellii Eichler
  156. Cleome rosea Vahl ex DC.
  157. Cleome rostrata Bobrov
  158. Cleome rotundifolia (Mart. & Zucc.) Iltis
  159. Cleome rubella Burch.
  160. Cleome rubelloides Kers
  161. Cleome rupicola Vicary
  162. Cleome rutidosperma DC.
  163. Cleome scaposa DC.
  164. Cleome schimperi Pax
  165. Cleome schlechteri Briq.
  166. Cleome semitetrandra Sond.
  167. Cleome serrata Jacq.
  168. Cleome siliculifera Eichler
  169. Cleome silvatica Gilg & Gilg-Ben.
  170. Cleome simplicifolia (Cambess.) Hook.f. & Thomson
  171. Cleome socotrana Balf.f.
  172. Cleome speciosa Raf.
  173. Cleome spinosa Jacq. Plant FAQs: Cleome Spinosa – Spider Flower
  174. Cleome stenopetala Gilg & Gilg-Ben.
  175. Cleome stenophylla Klotzsch ex Urb.
  176. Cleome steveniana Schult. & Schult.f.
  177. Cleome stricta (Klotzsch) R.A.Graham
  178. Cleome strigosa (Bojer) Oliv.
  179. Cleome stylosa Eichler
  180. Cleome suffruticosa Schinz
  181. Cleome tenella L.f.
  182. Cleome tenuifolia (Mart. & Zucc.) Iltis
  183. Cleome tenuis S.Watson
  184. Cleome tetrandra Banks ex DC.
  185. Cleome titubans Speg.
  186. Cleome tomentella Popov
  187. Cleome torticarpa Iltis & T.Ruíz
  188. Cleome trachycarpa Klotzsch ex Eichler
  189. Cleome trachysperma (Torr. & A.Gray) Pax & K.Hoffm.
  190. Cleome tucumanensis Iltis
  191. Cleome turkmena Bobrov
  192. Cleome uncifera Kers
  193. Cleome uniglandulosa Cav.
  194. Cleome usambarica Pax
  195. Cleome vahliana Fresen.
  196. Cleome violacea L.
  197. Cleome virens J.F.Macbr.
  198. Cleome viscosa L. Plant FAQs: Cleome Viscosa – Asian Spider Flower
  199. Cleome werdermannii Alf.Ernst
  200. Cleome yunnanensis W.W.Sm.

Is Cleome a Perennial?

Cleome, often referred to as Spider Flower or Spider Plant, is generally grown as an annual in most regions. This means it completes its life cycle within a single growing season and then dies off. However, in warmer climates with mild winters, Cleome might act like a short-lived perennial, coming back year after year. In my experience, if you’re in a colder zone, you’ll likely need to replant Cleome each spring.

Is Cleome Poisonous to Humans?

Cleome is not considered highly toxic to humans. While it is not a common food plant, there are no significant reports of poisoning. That said, it’s always a good idea to avoid ingesting any part of the plant. I’ve never had issues with it, but keeping children and pets away from it is a precaution worth taking.

When to Plant Cleome Seeds?

Timing is crucial for successful Cleome cultivation. I find that planting Cleome seeds indoors 6-8 weeks before the last expected frost is effective. You can also direct sow the seeds outdoors after the danger of frost has passed and the soil has warmed. In my garden, I’ve had the best results by starting them inside and then transplanting them.

Is Cleome Related to Hemp?

Cleome and hemp are not closely related, though they might look similar at a glance. Cleome belongs to the Cleomaceae family, while hemp is part of the Cannabaceae family. Despite their similar foliage, they are distinct in their growth habits and uses. Cleome is primarily grown for its ornamental value, whereas hemp has industrial and medicinal uses.

What Does a Cleome Seedling Look Like?

Cleome seedlings are quite distinctive. They start as small, tender plants with long, narrow leaves that have a slightly fern-like appearance. As they grow, the seedlings develop a more recognizable form with the characteristic spider-like flowers. I remember when I first saw them emerging, they had a delicate, almost whimsical look.

How to Grow Cleome from Seed?

Growing Cleome from seed is relatively straightforward. Start by soaking the seeds in water for 24 hours to aid germination. Plant them in seed-starting mix about 1/4 inch deep. Keep the soil moist and warm until they germinate, which usually takes 1-2 weeks. Once they have a few sets of leaves and the risk of frost has passed, you can transplant them into your garden. I’ve found that Cleome thrives in well-drained soil with plenty of sunlight.

What Do Cleome Seedlings Look Like?

Cleome seedlings look like tiny green sticks with leaves that are initially sparse but quickly become more bushy. They are quite resilient and grow rapidly once they establish themselves. Their early growth phase is not as dramatic as their later flowering stage, but they are still quite charming.

Is Cleome Poisonous to Dogs?

Cleome is not known to be highly toxic to dogs. While ingestion of any plant material can potentially cause gastrointestinal upset, Cleome is generally not listed among the highly toxic plants. However, if your dog starts showing unusual symptoms after chewing on Cleome, it’s best to consult your veterinarian.

Do Cleome Seeds Need Stratification?

Cleome seeds do not require stratification. They germinate well with just a soak before planting. In my experience, skipping the stratification process doesn’t affect the success rate of germination.

Do Deer Eat Cleome?

Deer generally avoid Cleome because of its strong smell and the slightly prickly texture of its foliage. I’ve had Cleome in my garden for years without any issues with deer munching on it. If you have a severe deer problem, Cleome is a reliable choice.

How to Germinate Cleome Seeds?

To germinate Cleome seeds, soak them in water for about 24 hours. After soaking, sow the seeds in a seed-starting mix, covering them lightly with soil. Keep the soil consistently moist and provide warmth. Germination typically occurs within 1-2 weeks. I’ve had great success with this method, which has consistently given me strong, healthy seedlings.

Do Bees Like Cleome?

Bees absolutely love Cleome. The flower’s unique shape and abundant nectar attract various pollinators. In my garden, I’ve noticed that Cleome is a magnet for bees, making it a great addition if you want to support local pollinator populations.

Cleome vs Weed

Cleome is often mistaken for a weed because of its rapid growth and somewhat wild appearance. However, it is a cultivated plant with ornamental value. It can sometimes self-seed and spread, but it’s not an aggressive weed like some other species.

Cleome vs Fireweed

Cleome and Fireweed are quite different. Fireweed (Epilobium angustifolium) is known for its tall, slender spikes of pink flowers and is often found in disturbed areas. Cleome, on the other hand, has a more bushy appearance with a unique spider-like bloom. They both have impressive floral displays but belong to entirely different plant families.

Cleome vs Marijuana

Cleome and marijuana are not related, though they might look somewhat similar due to their foliage. Marijuana (Cannabis sativa) is well-known for its psychoactive properties and is part of the Cannabaceae family. Cleome is entirely different, primarily used for its ornamental value and has no such effects.

Additional Tips for Growing Cleome

Cleome thrives in full sun and well-drained soil. It’s relatively low-maintenance, but regular deadheading of spent blooms will encourage continuous flowering. Be prepared for its sprawling nature; it can grow quite tall and wide, which can be both a benefit and a challenge in garden design.

Cleome is a fascinating plant that adds a unique touch to any garden. Its care is straightforward, and its benefits, such as attracting pollinators and its striking appearance, make it a valuable addition to many landscapes.

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