Willows: A Love Affair with Salix
The wind whispers through the weeping willow in my backyard, its slender leaves shimmering like green silk. I’ve always been drawn to willows – their graceful forms, their resilience, their association with both melancholy and magic. It’s no wonder that the genus Salix, encompassing all willows and sallows, has captivated botanists and nature lovers for centuries.
As a plant enthusiast, I’ve spent countless hours studying these fascinating trees and shrubs. They’re a diverse bunch, ranging from the towering crack willow (Salix fragilis) to the diminutive arctic willow (Salix arctica). What unites them all is their adaptability and their crucial role in various ecosystems.
A World of Willows: Diversity and Distribution
The sheer variety within the Salix genus is astounding. Imagine walking through a sun-dappled woodland and encountering the goat willow (Salix caprea), its branches laden with fuzzy catkins that resemble tiny kittens. Then picture yourself traversing a riverbank, where the white willow (Salix alba) stands tall, its leaves shimmering silver in the breeze. These are just two examples of the hundreds of Salix species found throughout the world.
Willows are predominantly found in the Northern Hemisphere, thriving in moist soils and cool climates. They’re particularly abundant in riparian zones, where their extensive root systems help stabilize riverbanks and prevent erosion. But willows are also surprisingly adaptable, with some species even inhabiting arctic and alpine regions.
Here’s a glimpse into the diversity of the Salix genus:
- Salix × aberrans A.Camus & E.G.Camus
- Salix abscondita Laksch.
- Salix acmophylla Boiss.
- Salix acutifolia Willd.
- Salix aegaea Cambria, C.Brullo, Giusso, Sciandr., Siracusa & Brullo
- Salix aegyptiaca L.
- Salix aeruginosa E.Carranza
- Salix alatavica Kar. ex Stschegl.
- Salix alaxensis (Andersson) Coville
- Salix alba L.
- Salix alexii-skvortzovii A.P.Khokhr.
- Salix × algista C.K.Schneid.
- Salix × alpigena A.Kern.
- Salix alpina Scop.
- Salix × altobracensis H.J.Coste
- Salix × ambigua Ehrh.
- Salix × amoena Fernald
- Salix × ampherista C.K.Schneid.
- Salix amphibola C.K.Schneid.
- Salix amplexicaulis Bory & Chaub.
- Salix amygdaloides Andersson
- Salix anatolica Ziel. & D.Tomasz.
- Salix × angusensis Rech.f.
- Salix annulifera C.Marquand & Airy Shaw
- Salix anticecrenata Kimura
- Salix apennina A.K.Skvortsov
- Salix apoda Trautv.
- Salix appendiculata Vill.
- Salix × arakiana Koidz.
- Salix arbuscula L.
- Salix arbusculoides Andersson
- Salix arbutifolia Pall.
- Salix arctica Pall.
- Salix arctophila Cockerell
- Salix × ardana Ziel. & Petrova
- Salix × argusii B.Boivin
- Salix argyracea E.L.Wolf
- Salix argyrocarpa Andersson
- Salix argyrophegga C.K.Schneid.
- Salix argyrotrichocarpa C.F.Fang
- Salix × arikae H.Ohashi & Yonek.
- Salix arizonica Dorn
- Salix armenorossica A.K.Skvortsov
- Salix arrigonii Brullo
- Salix × aschersoniana Seemen
- Salix athabascensis Raup
- Salix atopantha C.K.Schneid.
- Salix atrocinerea Brot.
- Salix × atroelaeagnos L.Serra & M.B.Crespo
- Salix aurita L.
- Salix × austriaca Host
- Salix austrotibetica N.Chao
- Salix babylonica L.
- Salix baileyi C.K.Schneid.
- Salix baladehensis Maassoumi, Moeeni & Rahimin.
- Salix balansae Seemen
- Salix balfouriana C.K.Schneid.
- Salix × balfourii E.F.Linton
- Salix ballii Dorn
- Salix bangongensis Z.Wang & C.F.Fang
- Salix barclayi Andersson
- Salix barrattiana Hook.
- Salix bebbiana Sarg.
- Salix × beckiana Beck
- Salix × beckii Soó
- Salix berberifolia Pall.
- Salix × besschelii B.Boivin
- Salix × bifida Wulfen
- Salix bikouensis Y.L.Chou
- Salix biondiana Seemen
- Salix bistyla Hand.-Mazz.
- Salix blakii Goerz
- Salix × blakolgae Drobow
- Salix blinii H.Lév.
- Salix × blyttiana Andersson
- Salix × boettcheri Seemen
- Salix bonplandiana Kunth
- Salix boothii Dorn
- Salix borealis Fr.
- Salix bouffordii A.K.Skvortsov
- Salix × boulayi F.Gérard
- Salix brachycarpa Nutt.
- Salix brachypoda (Trautv. & C.A.Mey.) Kom.
- Salix × brachypurpurea B.Boivin
- Salix breviserrata Flod.
- Salix breweri Bebb
- Salix × browiczii Ziel., D.Tomasz. & Kosiński
- Salix brutia Brullo & G.Spamp.
- Salix bulkingensis Chang Y.Yang
- Salix × buseri Favrat
- Salix cacuminis A.K.Skvortsov
- Salix caesia Vill.
- Salix calcicola Fernald & Wiegand
- Salix × calliantha Jos.Kern.
- Salix calostachya Andersson
- Salix calyculata Hook.f. ex Andersson
- Salix cana M.Martens & Galeotti
- Salix candida Flüggé ex Willd.
- Salix × canescens Willd.
- Salix cantabrica Rech.f.
- Salix × capnoides A.Kern. & Jos.Kern. ex Beck
- Salix caprea L.
- Salix × capreola A.Kern. ex Andersson
- Salix capusii Franch.
- Salix cardiophylla Trautv. & C.A.Mey.
- Salix carmanica Bornm.
- Salix caroliniana Michx.
- Salix cascadensis Cockerell
- Salix caspica Pall.
- Salix cathayana Diels
- Salix caucasica Andersson
- Salix cavaleriei H.Lév.
- Salix × cernua E.F.Linton
- Salix chaenomeloides Kimura
- Salix chamissonis Andersson
- Salix characta C.K.Schneid.
- Salix × charrieri Chass.
- Salix cheilophila C.K.Schneid.
- Salix chevalieri Seemen
- Salix chienii Cheng
- Salix chikungensis C.K.Schneid.
- Salix chlorolepis Fernald
- Salix cinerea L.
- Salix clathrata Hand.-Mazz.
- Salix × coerulescens Döll
- Salix coggygria Hand.-Mazz.
- Salix columbiana (Dorn) Argus
- Salix coluteoides Mirb.
- Salix commutata Bebb
- Salix × confinis A.Camus & E.G.Camus
- Salix × conifera Wangenh.
- Salix contortiapiculata P.I.Mao & W.Z.Li
- Salix cordata Michx.
- Salix × cottetii A.Kern.
- Salix crataegifolia Bertol.
- Salix × cremnophila Kimura
- Salix × cryptodonta Fernald
- Salix cupularis Rehder
- Salix cyanolimenaea Hance
- Salix dabeshanensis B.C.Ding & T.B.Chao
- Salix daguanensis P.I.Mao & P.X.He
- Salix daliensis C.F.Fang & S.D.Zhao
- Salix daltoniana Andersson
- Salix dalungensis Z.Wang & P.Y.Fu
- Salix daphnoides Vill.
- Salix delavayana Hand.-Mazz.
- Salix delnortensis C.K.Schneid.
- Salix denticulata Andersson
- Salix × devestita Arv.-Touv.
- Salix × diazii Idrees & J.M.H.Shaw
- Salix dibapha C.K.Schneid.
- Salix × dichroa Döll
- Salix × dieckiana Suksd.
- Salix × digenea Jos.Kern.
- Salix discolor Muhl.
- Salix disperma Roxb. ex D.Don
- Salix dissa C.K.Schneid.
- Salix divaricata Pall.
- Salix divergentistyla C.F.Fang
- Salix doii Hayata
- Salix dolichostachya Flod.
- Salix donggouxianica C.F.Fang
- Salix × doniana Sm.
- Salix driophila C.K.Schneid.
- Salix drummondiana Barratt ex Hook.
- Salix dshugdshurica A.K.Skvortsov
- Salix × dutillyi Lepage
- Salix eastwoodiae Cockerell ex A.Heller
- Salix elbrusensis Boiss.
- Salix eleagnos Scop.
- Salix elymaitica Maassoumi
- Salix × erdingeri A.Kern.
- Salix × eriocataphylla Kimura
- Salix × eriocataphylloides Kimura
- Salix eriocephala Michx.
- Salix erioclada H.Lév. & Vaniot
- Salix × eriophora Borbás
- Salix eriostachya Wall. ex Andersson
- Salix ernestii C.K.Schneid.
- Salix erythrocarpa Kom.
- Salix etosia C.K.Schneid.
- Salix × euerata Kimura
- Salix × euryadenia Ausserd. ex A.Kern.
- Salix euxina I.V.Belyaeva
- Salix excelsa S.G.Gmel.
- Salix exigua Nutt.
- Salix famelica (C.R.Ball) Argus
- Salix fargesii Burkill
- Salix farriae C.R.Ball
- Salix faxonianoides Z.Wang & P.Y.Fu
- Salix fedtschenkoi Goerz
- Salix × felina Buser ex A.Camus & E.G.Camus
- Salix fengiana C.F.Fang & Chang Y.Yang
- Salix × finnmarchica Willd.
- Salix firouzkuhensis Maassoumi
- Salix flabellaris Andersson
- Salix floccosa Burkill
- Salix floridana Chapm.
- Salix × flueggeana Willd.
- Salix foetida Schleich. ex DC.
- Salix × forbesiana Druce
- Salix × forbyana Sm.
- Salix forrestii K.S.Hao ex C.F.Fang & A.K.Skvortsov
- Salix × fragilis L.
- Salix × friesiana Andersson
- Salix × fruticosa Döll
- Salix fruticulosa Andersson
- Salix fulvopubescens Hayata
- Salix fuscescens Andersson
- Salix futura Seemen
- Salix × gaspensis C.K.Schneid.
- Salix geyeriana Andersson
- Salix gilashanica Z.Wang & P.Y.Fu
- Salix gilgiana Seemen
- Salix × gillotii A.Camus & E.G.Camus
- Salix glabra Scop.
- Salix glareorum P.I.Mao & W.Z.Li
- Salix × glatfelteri C.K.Schneid.
- Salix glauca L.
- Salix gmelinii Pall.
- Salix gonggashanica C.F.Fang & A.K.Skvortsov
- Salix gooddingii C.R.Ball
- Salix gordejevii Y.L.Chang & Skvortsov
- Salix gracilior (Siuzew) Nakai
- Salix gracilistyla Miq.
- Salix × grahamii Borrer ex Baker
- Salix × grayi C.K.Schneid.
- Salix × guinieri Chass. & Goerz
- Salix gussonei Brullo & G.Spamp.
- Salix gyamdaensis C.F.Fang
- Salix gyirongensis S.D.Zhao & C.F.Fang
- Salix × hachiojiensis Yoshiyama
- Salix hainanica A.K.Skvortsov
- Salix × hankensonii Dode
- Salix haoana W.P.Fang
- Salix × hapala Kimura
- Salix hartwegii Benth.
- Salix hastata L.
- Salix × hatusimae Kimura
- Salix × hayatana Kimura
- Salix × hebecarpa (Fernald) Fernald
- Salix hegetschweileri Heer
- Salix heishuiensis N.Chao
- Salix helvetica Vill.
- Salix herbacea L.
- Salix × hermaphroditica L.
- Salix heterochroma Seemen
- Salix × heteromera Hand.-Mazz.
- Salix × hexandra Ehrh.
- Salix × hiraoana Kimura
- Salix × hirsutophylla A.Camus & E.G.Camus
- Salix × hirtii Strähler
- Salix × hisauchiana Koidz.
- Salix × holosericea Willd.
- Salix hookeriana Barratt ex Hook.
- Salix × hostii A.Kern.
- Salix × hudsonensis C.K.Schneid.
- Salix hukaoana Kimura
- Salix humboldtiana Willd.
- Salix humilis Marshall
- Salix hupehensis K.S.Hao ex C.F.Fang & A.K.Skvortsov
- Salix hylonoma C.K.Schneid.
- Salix hypoleuca Seemen
- Salix × ikenoana Kimura
- Salix iliensis Regel
- Salix inamoena Hand.-Mazz.
- Salix integra Thunb.
- Salix interior Rowlee
- Salix × intermedia Host
- Salix × inticensis Huter
- Salix ionica Brullo, F.Scelsi & G.Spamp.
- Salix × irreflexa Borbás
- Salix irrorata Andersson
- Salix issatissensis Maassoumi, Moeeni & Rahimin.
- Salix × iwahisana Kimura
- Salix jaliscana M.E.Jones
- Salix × jamesensis Lepage
- Salix japonica Thunb.
- Salix × japopina Kimura
- Salix jejuna Fernald
- Salix jenisseensis (F.Schmidt) Flod.
- Salix jepsonii C.K.Schneid.
- Salix × jesupii Fernald
- Salix jinchuanica N.Chao
- Salix jingdongensis C.F.Fang
- Salix juparica Goerz ex Rehder & Kobuski
- Salix jurtzevii A.K.Skvortsov
- Salix kalarica (A.K.Skvortsov) Vorosch.
- Salix kamanica Z.Wang & P.Y.Fu
- Salix × kamikotica Kimura
- Salix kangdingensis S.D.Zhao & C.F.Fang
- Salix kangensis Nakai
- Salix kaptarae Cambria, C.Brullo & Brullo
- Salix karelinii Turcz. ex Stschegl.
- Salix × kawamurana Kimura
- Salix kazbekensis A.K.Skvortsov
- Salix khokhriakovii A.K.Skvortsov
- Salix kikodseae Goerz
- Salix kirilowiana Stschegl.
- Salix kochiana Trautv.
- Salix koeieana A.K.Skvortsov
- Salix × koidzumii Kimura
- Salix × koiei Kimura
- Salix kongbanica Z.Wang & P.Y.Fu
- Salix koriyanagi Kimura ex Goerz
- Salix kouytchensis C.K.Schneid.
- Salix × krausei Andersson
- Salix krylovii E.L.Wolf
- Salix × kudoi Kimura
- Salix kungmuensis P.I.Mao & W.Z.Li
- Salix kunyangensis S.S.Ying
- Salix kusanoi (Hayata) C.K.Schneid.
- Salix kuznetzowii Laksch. ex Goerz
- Salix lacus-tari Maassoumi & Kazempour
- Salix laevigata Bebb
- Salix laggeri Wimm.
- Salix lamashanensis K.S.Hao ex C.F.Fang & A.K.Skvortsov
- Salix × lambertiana Sm.
- Salix lanata L.
- Salix lanifera C.F.Fang & S.D.Zhao
- Salix lapponum L.
- Salix × laschiana Zahn
- Salix lasiandra Benth.
- Salix lasiolepis Benth.
- Salix × latifolia J.Forbes
- Salix × laurentiana Fernald
- Salix × laurina Sm.
- Salix ledebouriana Trautv.
- Salix ledermannii Seemen
- Salix × legionensis Llamas & Penas
- Salix × leiophylla A.Camus & E.G.Camus
- Salix lemmonii Bebb
- Salix × leucopithecia Kimura
- Salix × liegnitzensis A.Camus & E.G.Camus
- Salix ligulifolia (C.R.Ball) C.R.Ball ex C.K.Schneid.
- Salix limprichtii Pax & K.Hoffm.
- Salix lindleyana Wall. ex Andersson
- Salix × lintonii A.Camus & E.G.Camus
- Salix liouana C.Wang & Chang Y.Yang
- Salix × litigiosa A.Camus & E.G.Camus
- Salix × livescens Döll
- Salix × lochsiensis D.J.Tennant
- Salix longiamentacea Charit.
- Salix longiflora Wall. ex Andersson
- Salix longissimipedicellaris N.Chao ex P.I.Mao
- Salix longistamina Z.Wang & P.Y.Fu
- Salix lucida Muhl.
- Salix luctuosa H.Lév.
- Salix × ludibunda A.Camus & E.G.Camus
- Salix × ludificans F.B.White
- Salix ludingensis T.Y.Ding & C.F.Fang
- Salix ludlowiana A.K.Skvortsov
- Salix lutea Nutt.
- Salix luzhongensis X.W.Li & Y.Q.Zhu
- Salix × lyonensis D.J.Tennant
- Salix maccalliana Rowlee
- Salix macroblasta C.K.Schneid.
- Salix maerkangensis N.Chao
- Salix magnifica Hemsl.
- Salix × marchettii Merli & F.Martini
- Salix × margaretae Seemen
- Salix × margarita F.B.White
- Salix × mariana Woł.
- Salix × maritima Hartig
- Salix × matsumurae Seemen
- Salix mazzettiana N.Chao
- Salix medogensis Y.L.Chou
- Salix × meikleana D.J.Tennant
- Salix melanopsis Nutt.
- Salix metaglauca Chang Y.Yang
- Salix mexicana Seemen
- Salix michelsonii Goerz ex Nasarow
- Salix microstachya Turcz. ex Trautv.
- Salix × microstemon Kimura
- Salix mielichhoferi Saut.
- Salix minjiangensis N.Chao
- Salix miyabeana Seemen
- Salix × mollissima Hoffm. ex Elwert
- Salix monochroma C.R.Ball
- Salix × montana Host
- Salix monticola Bebb
- Salix morrisonicola Kimura
- Salix moupinensis Franch.
- Salix mucronata Thunb.
- Salix muliensis Goerz
- Salix × multinervis Döll
- Salix myricoides Muhl.
- Salix myrsinifolia Salisb.
- Salix myrsinites L.
- Salix myrtillacea Andersson
- Salix myrtillifolia Andersson
- Salix myrtilloides L.
- Salix × myrtoides Döll
- Salix nakamurana Koidz.
- Salix nasarovii A.K.Skvortsov
- Salix × nasuensis Kimura
- Salix nebrodensis C.Brullo, Brullo, Cambria & Giusso
- Salix neoamnematchinensis T.Y.Ding & C.F.Fang
- Salix neolapponum Chang Y.Yang
- Salix × neuburgensis Erdner
- Salix niedzwieckii Goerz
- Salix nigra Marshall
- Salix niphoclada Rydb.
- Salix nipponica Franch. & Sav.
- Salix nivalis Hook.
- Salix × nobrei Samp. ex Cout.
- Salix × notha Andersson
- Salix nujiangensis N.Chao
- Salix nummularia Andersson
- Salix nuristanica A.K.Skvortsov
- Salix obscura Andersson
- Salix × obtusata Fernald
- Salix × obtusifolia Willd.
- Salix ochetophylla Goerz
- Salix okamotoana Koidz.
- Salix × oleifolia Vill.
- Salix olgae Regel
- Salix omeiensis C.K.Schneid.
- Salix × onychiophylla Andersson
- Salix opsimantha C.K.Schneid.
- Salix oreinoma C.K.Schneid.
- Salix oreophila Hook.f. ex Andersson
- Salix orestera C.K.Schneid.
- Salix oritrepha C.K.Schneid.
- Salix oropotamica Brullo, F.Scelsi & G.Spamp.
- Salix ovalifolia Trautv.
- Salix pantosericea Goerz
- Salix paradoxa Kunth
- Salix paraflabellaris S.D.Zhao
- Salix paraheterochroma Z.Wang & P.Y.Fu
- Salix paraphylicifolia Chang Y.Yang
- Salix paraplesia C.K.Schneid.
- Salix paratetradenia Z.Wang & P.Y.Fu
- Salix parvidenticulata C.F.Fang
- Salix × peasei Fernald
- Salix pedicellaris Pursh
- Salix pedicellata Desf.
- Salix × pedionoma Kimura
- Salix × pedunculata Fernald
- Salix pella C.K.Schneid.
- Salix pellita (Andersson) Bebb
- Salix × peloritana Prestandr. ex Tineo
- Salix × pendulina Wender.
- Salix pentandra L.
- Salix pentandrifolia Sennikov
- Salix × permixta Jeanne Webb
- Salix permollis C.Wang & C.Y.Yu
- Salix × perthensis Druce
- Salix petiolaris Sm.
- Salix petrophila Rydb.
- Salix × phaeophylla Andersson
- Salix phaidima C.K.Schneid.
- Salix phanera C.K.Schneid.
- Salix phlebophylla Andersson
- Salix phylicifolia L.
- Salix pierotii Miq.
- Salix pilosomicrophylla Z.Wang & P.Y.Fu
- Salix pilushanensis S.S.Ying
- Salix piptotricha Hand.-Mazz.
- Salix × pithoensis Rouy
- Salix planifolia Pursh
- Salix plectilis Kimura
- Salix plocotricha C.K.Schneid.
- Salix polaris Wahlenb.
- Salix × polgari Soó
- Salix polyclona C.K.Schneid.
- Salix × pormensis T.E.DÃaz & Llamas
- Salix × praegaudens H.Ohashi & Yoshiyama
- Salix praticola Hand.-Mazz. ex Enander
- Salix × princeps-ourayi Kelso
- Salix prolixa Andersson
- Salix psammophila C.Wang & Chang Y.Yang
- Salix pseudocalyculata Kimura
- Salix pseudodepressa A.K.Skvortsov
- Salix × pseudodoniana Rouy
- Salix × pseudoelaeagnos T.E.DÃaz & Llamas
- Salix × pseudoglauca Andersson
- Salix pseudomedemii E.L.Wolf
- Salix pseudomonticola C.R.Ball
- Salix pseudomyrsinites Andersson
- Salix × pseudopaludicola Kimura
- Salix pseudopentandra (Flod.) Flod.
- Salix pseudopermollis C.Y.Yu & Chang Y.Yang
- Salix × pseudosalvifolia T.E.DÃaz & E.Puente
- Salix pseudospissa Goerz ex Rehder & Kobuski
- Salix pseudotangii C.Wang & C.Y.Yu
- Salix pseudowallichiana Goerz ex Rehder & Kobuski
- Salix pseudowolohoensis K.S.Hao ex C.F.Fang & A.K.Skvortsov
- Salix psilostigma Andersson
- Salix pulchra Cham.
- Salix × punctata Wahlenb.
- Salix purpurea L.
- Salix pycnostachya Andersson
- Salix pyrenaica Gouan
- Salix pyrifolia Andersson
- Salix pyrolifolia Ledeb.
- Salix qamdoensis N.Chao & J.Liu
- Salix qinghaiensis Y.L.Chou
- Salix qinlingica C.Wang & N.Chao
- Salix × quercifolia Sennen ex Goerz
- Salix radinostachya C.K.Schneid.
- Salix × ramosissima A.Camus & E.G.Camus
- Salix raupii Argus
- Salix rectijulis Ledeb. ex Trautv.
- Salix recurvigemmata A.K.Skvortsov
- Salix rehderiana C.K.Schneid.
- Salix × reichardtii A.Kern.
- Salix reinii Franch. & Sav. ex Seemen
- Salix reinii-affinis A.E.Kozhevn. & Kozhevnikova
- Salix repens L.
- Salix reptans Rupr.
- Salix resecta Diels
- Salix resectoides Hand.-Mazz.
- Salix reticulata L.
- Salix retusa L.
- Salix × retusoides Jos.Kern.
- Salix rhamnifolia Pall.
- Salix rhododendrifolia Z.Wang & P.Y.Fu
- Salix rhododendroides C.Wang & C.Y.Yu
- Salix rhoophila C.K.Schneid.
- Salix × rijosa Rivas Mart., T.E.DÃaz, Fern.Prieto, Loidi & Penas
- Salix riskindii M.C.Johnst.
- Salix rizeensis Güner & J.Ziel.
- Salix rockii Goerz ex Rehder & Kobuski
- Salix rorida Laksch.
- Salix rosmarinifolia L.
- Salix rotundifolia Trautv.
- Salix × rubella Bebb ex Rowlee & Wiegand
- Salix × rubra Huds.
- Salix × rubriformis Tourlet
- Salix × rugulosa Andersson
- Salix rupifraga Koidz.
- Salix × sadleri Syme
- Salix sajanensis Nasarow
- Salix × sakaii H.Ohashi & Yonek.
- Salix × sakamakiensis Yoshiyama
- Salix salviifolia Brot.
- Salix salwinensis Hand.-Mazz. ex Enander
- Salix saposhnikovii A.K.Skvortsov
- Salix saxatilis Turcz. ex Ledeb.
- Salix × saxetana F.B.White
- Salix × schaburovii I.V.Belyaeva
- Salix × schatilowii R.I.Schröd. ex Dippel
- Salix × schatzii Sagorski
- Salix × schneideri B.Boivin
- Salix × scholzii Rouy
- Salix × schumanniana Seemen
- Salix schwerinii E.L.Wolf
- Salix sclerophylla Andersson
- Salix scouleriana Barratt ex Hook.
- Salix × scrobigera Woł.
- Salix × secerneta F.B.White
- Salix × semimyrtilloides A.Camus & E.G.Camus
- Salix × seminigricans A.Camus & E.G.Camus
- Salix × semireticulata F.B.White
- Salix × sendaica Kimura
- Salix sericea Marshall
- Salix sericocarpa Andersson
- Salix serissima (L.H.Bailey ex Arthur) Fernald
- Salix serpillifolia Scop.
- Salix serpyllum Andersson
- Salix × sesquitertia F.B.White
- Salix sessilifolia Nutt.
- Salix setchelliana C.R.Ball
- Salix shandanensis C.F.Fang
- Salix shangchengensis B.C.Ding & T.B.Chao
- Salix shihtsuanensis C.Wang & C.Y.Yu
- Salix shiraii Seemen
- Salix × sibyllina F.B.White
- Salix sichotensis Kharkev. & Vyschin
- Salix sieboldiana Blume
- Salix × sigemitui Kimura
- Salix sikkimensis Andersson
- Salix silesiaca Willd.
- Salix silicicola Raup
- Salix × simulatrix F.B.White
- Salix sinica (K.S.Hao ex C.F.Fang & A.K.Skvortsov) G.H.Zhu
- Salix sinopurpurea C.Wang & Chang Y.Yang
- Salix × sirakawensis Kimura
- Salix sitchensis Sanson ex Bong.
- Salix × sobrina F.B.White
- Salix × solheimii Kelso
- Salix × sonderiana Junge
- Salix songarica Andersson
- Salix spathulifolia Seemen
- Salix × speciosa Host
- Salix sphaeronymphe Goerz
- Salix sphenophylla A.K.Skvortsov
- Salix spodiophylla Hand.-Mazz.
- Salix staintoniana A.K.Skvortsov
- Salix starkeana Willd.
- Salix stolonifera Coville
- Salix stomatophora Flod.
- Salix × straehleri Seemen
- Salix × strepida J.Forbes
- Salix × subglabra A.Kern.
- Salix subopposita Miq.
- Salix × subsericea Döll
- Salix suchowensis W.C.Cheng
- Salix × sugayana Kimura
- Salix sumiyosensis Kimura
- Salix sungkianica Y.L.Chou & Skvortsov
- Salix × superata F.B.White
- Salix tagawana Koidz.
- Salix taipaiensis Chang Y.Yang
- Salix taishanensis C.Wang & C.F.Fang
- Salix taiwanalpina Kimura
- Salix × tamagawaensis Yoshiyama & Yamaguchi
- Salix × tambaensis Koidz. & Araki
- Salix tangii K.S.Hao ex C.F.Fang & A.K.Skvortsov
- Salix × taoensis Goerz ex Rehder & Kobuski
- Salix taraikensis Kimura
- Salix tarbagataica Chang Y.Yang
- Salix tarraconensis Pau
- Salix taxifolia Kunth
- Salix × taylorii Rech.f.
- Salix tenella C.K.Schneid.
- Salix tengchongensis C.F.Fang
- Salix tenuijulis Ledeb.
- Salix × tetrapla Walker
- Salix tetrasperma Roxb.
- Salix × thaymasta Kimura
- Salix thomsoniana Andersson
- Salix thorelii Dode
- Salix thurberi Rowlee
- Salix tianschanica Regel
- Salix tibetica Goerz ex Rehder & Kobuski
- Salix × tomentella A.Camus & E.G.Camus
- Salix tonkinensis Seemen
- Salix trabzonica A.K.Skvortsov
- Salix tracyi C.R.Ball
- Salix triandra L.
- Salix triandroides W.P.Fang
- Salix trichocarpa C.F.Fang
- Salix tschujensis (Bolsch.) Baikov
- Salix tschuktschorum A.K.Skvortsov
- Salix turanica Nasarow
- Salix turczaninowii Laksch.
- Salix × turfosa A.Camus & E.G.Camus
- Salix turnorii Raup
- Salix × turumatii Kimura
- Salix tweedyi (Bebb) C.R.Ball
- Salix tyrrellii Raup
- Salix tyrrhenica Brullo, F.Scelsi & Spamp.
- Salix udensis Trautv. & C.A.Mey.
- Salix × ungavensis Lepage
- Salix uralicola I.V.Belyaeva
- Salix ustnerensis (Bolsch.) Baikov ex A.V.Grebenjuk & Czepinoga
- Salix uva-ursi Pursh
- Salix variegata Franch.
- Salix × velchevii Ziel. & Pancheva
- Salix × velenovskyi ServÃt
- Salix vestita Pursh
- Salix viminalis L.
- Salix vinogradovii A.K.Skvortsov
- Salix × viridifolia T.E.DÃaz & Penas
- Salix viridiformis Maassoumi
- Salix vulpina Andersson
- Salix vyshinii (Nedol.) Petruk
- Salix × waghornei Rydb.
- Salix waldsteiniana Willd.
- Salix × wardiana Leefe ex F.B.White
- Salix weixiensis Y.L.Chou
- Salix × wiegandii Fernald
- Salix wilhelmsiana M.Bieb.
- Salix × wimmeri A.Kern.
- Salix × wolfiana Rouy
- Salix wolfii Bebb
- Salix wolohoensis C.K.Schneid.
- Salix × woloszczakii Zalewski
- Salix woroschilovii Barkalov
- Salix × wrightii Andersson
- Salix wuxuhaiensis N.Chao
- Salix × wyomingensis Rydb.
- Salix xanthicola K.I.Chr.
- Salix xiaoguangshanica Y.L.Chou & N.Chao
- Salix xizangensis Y.L.Chou
- Salix yanbianica C.F.Fang & Chang Y.Yang
- Salix yuhuangshanensis C.Wang & C.Y.Yu
- Salix yumenensis H.L.Yang
- Salix zangica N.Chao
- Salix zayunica Z.Wang & C.F.Fang
- Salix × zhataica Efimova, Shurduk & Ahti
- Salix zhegushanica N.Chao
Ecological Importance: More Than Just Pretty Trees
Willows are not just aesthetically pleasing; they play a vital role in their ecosystems. Their flowers are a valuable source of nectar and pollen for early-season pollinators, such as bees and butterflies. Their leaves and branches provide food and shelter for a wide range of animals, from deer and rabbits to birds and insects.
Furthermore, willows have a remarkable ability to absorb pollutants and heavy metals from the soil, making them useful for phytoremediation. They also help prevent soil erosion and improve water quality, thanks to their extensive root systems.
Willows in Human History: From Baskets to Aspirin
Humans have utilized willows for centuries. Their flexible branches are ideal for basket weaving, while their wood has been used for everything from furniture to cricket bats. Willow bark contains salicylic acid, a natural pain reliever that was the precursor to aspirin. In traditional medicine, willow bark has been used to treat fever, headaches, and inflammation.
A Personal Connection: Why I Love Willows
My fascination with willows goes beyond their botanical characteristics. There’s something about their graceful forms and their resilience that resonates with me. I find solace in the rustling of their leaves and the dappled shade they provide. They are a reminder of the beauty and strength of the natural world.
Whether I’m admiring a weeping willow’s cascading branches or examining the intricate details of a willow catkin, I’m always filled with a sense of wonder. The Salix genus is a testament to the diversity and adaptability of life on Earth, and I’m grateful for the opportunity to learn from and appreciate these remarkable trees.