Leucas

{{Short description|Genus of plants}} {{Other uses}} {{Automatic taxobox | image = Leucas ciliata 01.JPG | image_caption = ''Leucas ciliata'' | taxon = Leucas | authority = R.Br.<ref name=Kew/> | subdivision_ranks = Species | subdivision = See text | synonyms_ref = <ref name=t/> | synonyms = *''Hemistemma'' Rchb. *''Hemistoma'' Ehrenb. ex Benth. *''Lasiocorys'' Benth. *''Blandina'' Raf. *''Elbunis'' Raf. *''Eneodon'' Raf. *''Heptrilis'' Raf. *''Hetrepta'' Raf. *''Isodeca'' Raf. *''Leucasia'' Raf. *''Physoleucas'' Jaub. & Spach }}

'''''Leucas''''' is a genus of plants in the family Lamiaceae, first described by Robert Brown in 1810. It contains over 200 species, widespread over much of Africa, and southern and eastern Asia (Iran, India, China, Japan, Indonesia, etc.) with a few species in Queensland and on various islands in the Indian Ocean.<ref name=t>[http://apps.kew.org/wcsp/namedetail.do?name_id=111610 Kew World Checklist of Selected Plant Families]</ref><ref name=Kew/>

==Species== {{As of|2014|March}} ''The Plant List'' recognises 133 accepted species (including infraspecific names):<ref name=TPL/> {{div col|colwidth=21em}} * ''Leucas abyssinica'' {{Au|(Benth.) Briq.}} ** var. ''argyrophylla'' {{Au|(Vatke) Sebald}} ** var. ''brachycalyx'' {{Au|(Chiov.) Lanza}} * ''Leucas aequistylosa'' {{Au|Sebald}} * ''Leucas aggerestris'' {{Au|(Wild) Sebald}} * ''Leucas alba'' {{Au|(Forssk.) Sebald}} * ''Leucas alluaudii'' {{Au|Sacteux}} * ''Leucas anandaraoana'' {{Au|Umam.Rao & P.Daniel}} * ''Leucas angularis'' {{Au|Benth.}} * ''Leucas angustissima'' {{Au|Sedgw.}} * ''Leucas argentea'' {{Au|Gürke}} ** var. ''neumannii'' {{Au|(Gürke) Sebald}} * ''Leucas aspera'' {{Au|(Willd.) Link}} * ''Leucas bakeri'' {{Au|Hiern}} * ''Leucas beddomei'' {{Au|(Hook.f.) Sunojk. & P.Mathew}} * ''Leucas biflora'' {{Au|(Vahl) Sm.}} * ''Leucas bracteosa'' {{Au|Gürke}} * ''Leucas calostachys'' {{Au|Oliv.}} ** var. ''schweinfurthii'' {{Au|(Gürke) Sebald}} * ''Leucas capensis'' {{Au|(Benth.) Engl.}} * ''Leucas cephalantha'' {{Au|Baker}} * ''Leucas cephalotes'' {{Au|(Roth) Spreng.}} * ''Leucas chinensis'' {{Au|(Retz.) Sm.}} ** f. ''riukiuensis'' {{Au|(Ohwi) T.Yamaz.}} * ''Leucas ciliata'' {{Au|Benth.}} * ''Leucas clarkei'' {{Au|Hook.f.}} * ''Leucas collettii'' {{Au|Prain}} * ''Leucas cuneifolia'' {{Au|Baker}} * ''Leucas decemdentata'' {{Au|(Willd.) Sm.}} ** var. ''angustifolia'' {{Au|(Wall. ex Benth.) V.Singh}} ** var. ''sebastiana'' {{Au|(Subba Rao & Kumari) V.Singh}} * ''Leucas deflexa'' {{Au|Hook.f.}} ** var. ''biglomerulata'' {{Au|(Lebrun & Touss.) Sebald}} ** var. ''deflexa'' ** var. ''kondowensis'' {{Au|(Baker) Sebald}} * ''Leucas densiflora'' {{Au|Vatke}} * ''Leucas deodikarii'' {{Au|Billmore & Hemadri}} * ''Leucas dhofarensis'' {{Au|Hedge & Sebald}} * ''Leucas diffusa'' {{Au|Benth.}} * ''Leucas discolor'' {{Au|Sebald}} * ''Leucas ebracteata'' {{Au|Peyr.}} * ''Leucas ellipticifolia'' {{Au|(Sebald) Bramley}} * ''Leucas eriostoma'' {{Au|Hook.f.}} ** var. ''lanata'' {{Au|Hook.f.}} * ''Leucas flagellifera'' {{Au|(Balf.f.) Gürke}} * ''Leucas fulvipila'' {{Au|Bramley}} * ''Leucas glabrata'' {{Au|(Vahl) Sm.}} * ''Leucas grandis'' {{Au|Vatke}} * ''Leucas hagghierensis'' {{Au|Al-Gifri & Cortés-Burns}} * ''Leucas helferi'' {{Au|Hook.f.}} * ''Leucas helianthemifolia'' {{Au|Desf.}} * ''Leucas helicterifolia'' {{Au|Haines}} * ''Leucas hephaestis'' {{Au|(Wild) Sebald}} * ''Leucas hirta'' {{Au|(B.Heyne ex Roth) Spreng.}} * ''Leucas hirundinaris'' {{Au|Sebald}} * ''Leucas hyssopifolia'' {{Au|Benth.}} * ''Leucas inflata'' {{Au|Benth.}} * ''Leucas jamesii'' {{Au|Baker}} * ''Leucas kishenensis'' {{Au|(Radcl.-Sm.) Sebald}} * ''Leucas lamiifolia'' {{Au|Desf.}} * ''Leucas lanata'' {{Au|Benth.}} * ''Leucas lanceifolia'' {{Au|Desf.}} * ''Leucas lavandulifolia'' {{Au|Sm.}} * ''Leucas longifolia'' {{Au|Benth.}} * ''Leucas macrantha'' {{Au|Blatt. & Hallb.}} * ''Leucas manipurensis'' {{Au|N.P.Singh}} * ''Leucas marrubioides'' {{Au|Desf.}} * ''Leucas martinicensis'' {{Au|(Jacq.) R.Br.}} * ''Leucas masaiensis'' {{Au|Oliv.}} ** var. ''tricrenata'' {{Au|(Bullock) Sebald}} ** var. ''venulosa'' {{Au|(Baker) Sebald}} * ''Leucas mathewiana'' {{Au|Sunojk.}} * ''Leucas menthifolia'' {{Au|Baker}} ** var. ''fulva'' {{Au|(Robyns & Lebrun) Sebald}} ** var. ''menthifolia'' * ''Leucas milanjiana'' {{Au|Gürke}} * ''Leucas minimifolia'' {{Au|Chiov.}} * ''Leucas minutiflora'' {{Au|Bramley}} * ''Leucas montana'' {{Au|(Roth) Spreng.}} * ''Leucas mukerjiana'' {{Au|Subba Rao & Kumari}} * ''Leucas mwingensis'' {{Au|Sebald}} * ''Leucas nepetifolia'' {{Au|Benth.}} * ''Leucas neufliseana'' {{Au|Courbai}} * ''Leucas neuflizeana'' {{Au|Courbon}} * ''Leucas nubica'' {{Au|Benth.}} * ''Leucas nutans'' {{Au|(Roth) Spreng.}} * ''Leucas nyassae'' {{Au|Gürke}} ** var. ''velutina'' {{Au|(C.H.Wright ex Baker) Sebald}} * ''Leucas oligocephala'' {{Au|Hook.f.}} ** var. ''bowalensis'' {{Au|(A.Chev.) Sebald}} ** var. ''oligocephala'' * ''Leucas ovata'' {{Au|Benth.}} * ''Leucas pearsonii'' {{Au|Sebald}} * ''Leucas pechuelii'' {{Au|(Kuntze) Baker}} * ''Leucas penduliflora'' {{Au|Al-Gifri & Cortés-Burns}} * ''Leucas pilosa'' {{Au|Benth.}} * ''Leucas prostrata'' {{Au|(Hook.f.) Gamble}} * ''Leucas pseudoglabrata'' {{Au|Bramley}} * ''Leucas pubescens'' {{Au|Benth.}} * ''Leucas rosmarinifolia'' {{Au|Benth.}} * ''Leucas royleoides'' {{Au|(Benth.) Gürke}} * ''Leucas ruspoliana'' {{Au|Gürke}} * ''Leucas samhaensis'' {{Au|Cortés-Burns & A.G.Mill.}} * ''Leucas sebaldiana'' {{Au|Sunojk.}} * ''Leucas sexdentata'' {{Au|Skan}} * ''Leucas sivadasaniana'' {{Au|Sunojk.}} * ''Leucas somalensis'' {{Au|Vatke}} * ''Leucas songeana'' {{Au|Sebald}} * ''Leucas spiculifera'' {{Au|(Balf.f.) Guerke}} * ''Leucas spiculifolia'' {{Au|(Balf.f.) Gürke}} * ''Leucas stachydiformis'' {{Au|(Benth.) Hochst. ex Briq.}} * ''Leucas stelligera'' {{Au|Wall. ex Benth.}} * ''Leucas stormsii'' {{Au|Gürke}} * ''Leucas stricta'' {{Au|Benth.}} * ''Leucas subarcuata'' {{Au|Sebald}} * ''Leucas suffruticosa'' {{Au|Benth.}} * ''Leucas teres'' {{Au|Benth.}} * ''Leucas tettensis'' {{Au|Vatke}} * ''Leucas tomentosa'' {{Au|Gürke}} * ''Leucas tsavoensis'' {{Au|Sebald}} * ''Leucas urticifolia'' {{Au|(Vahl) Sm.}} * ''Leucas urundensis'' {{Au|Robyns & Lebrun}} * ''Leucas usagarensis'' {{Au|Gürke}} * ''Leucas vestita'' {{Au|Benth.}} ** var. ''angustifolia'' {{Au|Hook.f.}} ** var. ''oblongifolia'' {{Au|Hook.f.}} ** var. ''sericostoma'' {{Au|Hook.f.}} * ''Leucas virgata'' {{Au|Balf.f.}} * ''Leucas volkensii'' {{Au|Gürke}} * ''Leucas welwitschii'' {{Au|Gürke}} * ''Leucas wightiana'' {{Au|Wall. ex Benth.}} * ''Leucas wilsonii'' {{Au|Sebald}} * ''Leucas zeylanica'' {{Au|(L.) W.T.Aiton}} ** var. ''walkeri'' {{Au|(Benth.) Hook.f.}} {{div col end}}A new species, ''Leucas sahyadriensis'' Sunojk., has recently been described and is endemic to the Western Ghats of southern India.<ref>{{Cite journal|last=Sunojkumar|first=Purayidathkandy|date=2019-03-27|title=Leucas sahyadriensis (Lamiaceae: Lamioideae) an overlooked new endemic species from India and notes on Leucas chinensis|url=https://biotaxa.org/Phytotaxa/article/view/phytotaxa.399.3.2|journal=Phytotaxa|language=en|volume=399|issue=3|pages=187–194|doi=10.11646/phytotaxa.399.3.2|s2cid=109864501 |issn=1179-3163|url-access=subscription}}</ref>

==References== {{Reflist | refs=

<ref name=Kew>{{cite web | title = ''Leucas'' | url = http://apps.kew.org/wcsp/namedetail.do?name_id=111610 | publisher = Royal Botanic Gardens, Kew | access-date = 11 March 2014}}</ref>

<ref name=TPL>{{Cite web | title = ''Leucas'' | url = http://www.theplantlist.org/1.1/browse/A/Lamiaceae/Leucas/ | work = The Plant List | access-date = 11 March 2014 }}</ref>

}}

Category:Leucas Category:Lamiaceae genera Category:Taxa named by Robert Brown (botanist, born 1773)