Psoralea
Psoralea is a genus in the legume family with 121 species of shrubs, trees, and herbs native to southern and eastern Africa, ranging from Kenya to South Africa. In South Africa they are commonly referred to as fountainbush ; fonteinbos, bloukeur, or penwortel ; and umHlonishwa.
Etymology
The name ‘Psoralea’ is derived from the Greek term ‘Psoraleos’, which means “affected with itch or with leprosy”. Psoralen occurs naturally in the seeds of Psoralea corylifolia, and is used in PUVA treatment, for several diseases including such as psoriasis.Species
121 species are accepted:Psoralea abbottii C.H.Stirt.Psoralea accrescens Psoralea aculeata L.Psoralea acuminata Psoralea affinis Eckl. & Zeyh.Psoralea afra Psoralea alata T.M.SalterPsoralea angustifolia L'Hér.Psoralea aphylla L.Psoralea arborea SimsPsoralea arborescens Psoralea argentea Psoralea asarina T.M.SalterPsoralea axillaris L.f.Psoralea azuroides C.H.Stirt.Psoralea bolusii Psoralea bowieana Psoralea bracteolata Psoralea brilliantissima C.H.Stirt., Muasya & A.BelloPsoralea candicans Psoralea cataracta C.H.Stirt.Psoralea congesta C.H.Stirt. & MuasyaPsoralea crista Psoralea curtisiae Psoralea diturnerae A. Bello, C.H. Stirt. & Muasya Psoralea dreweae Psoralea elegans C.H.Stirt.Psoralea ensifolia Merr.Psoralea fascicularis DC., syns. Psoralea tenuifolia Thunb. and Psoralea thunbergiana Eckl. & Zeyh.Psoralea filifolia Eckl. & Zeyh.Psoralea fleta C.H.Stirt.Psoralea flexuosa Psoralea floccosa C.H.Stirt., Muasya & A.BelloPsoralea foliosa Psoralea forbesiae C.H.Stirt., A.Bello & MuasyaPsoralea fruticans Psoralea fulva Psoralea fumea Psoralea gigantea Dludlu, Muasya & C.H.Stirt.Psoralea glabra E.Mey.Psoralea glaucescens Eckl. & Zeyh.Psoralea glaucina Harv.Psoralea gueinzii Harv.Psoralea hamata Psoralea heterosepala Psoralea hirta Psoralea imbricata T.M.SalterPsoralea imminens C.H.Stirt.Psoralea implexa C.H.Stirt.Psoralea intonsa C.H.Stirt., Muasya & A.BelloPsoralea ivumba C.H.Stirt., A.Bello & MuasyaPsoralea karooensis C.H.Stirt., Muasya & VlokPsoralea keetii Schönland ex H.M.L.ForbesPsoralea kougaensis C.H.Stirt., Muasya & A.BelloPsoralea laevigata L.f.Psoralea laxa T.M.SalterPsoralea lucens Psoralea luteovirens Psoralea margaretiflora C.H.Stirt. & V.R.ClarkPsoralea monophylla C.H.Stirt.Psoralea montana A.Bello, C.H.Stirt. & MuasyaPsoralea muirii C.H.Stirt. & MuasyaPsoralea mundiana Psoralea nitens Psoralea nubicola Psoralea obliqua Psoralea odoratissima Jacq.Psoralea oligophylla Eckl. & Zeyh.Psoralea oreophila Schltr.Psoralea oreopola Psoralea outrampsii Psoralea pallescens Psoralea papillosa Psoralea peratica C.H.Stirt.Psoralea picta Psoralea pilifera Psoralea pinnata L.Psoralea platyphylla Psoralea plauta C.H.Stirt.Psoralea polyphylla Psoralea polysticta Psoralea prodiens Psoralea prompta Psoralea pullata C.H.Stirt.Psoralea pungens Psoralea racemosa Psoralea ramulosa C.H.Stirt.Psoralea repens P.J.BergiusPsoralea restioides Eckl. & Zeyh.Psoralea rhizotoma C.H.Stirt. & MuasyaPsoralea rigidula C.H.Stirt.Psoralea rotundifolia Psoralea rubicunda Psoralea sabulosa Psoralea saxosa Psoralea schutteae Psoralea semota C.H.Stirt.Psoralea sericea Psoralea sordida C.H.Stirt. & MuasyaPsoralea speciosa Eckl. & Zeyh.Psoralea spicata Psoralea spissa Psoralea stachyera Psoralea striata Psoralea suaveolens C.H.Stirt., A.Bello & MuasyaPsoralea swartbergensis Psoralea tenuifolia Psoralea tenuissima E.Mey.Psoralea thomii Psoralea triantha Psoralea triflora Thunb.Psoralea trullata C.H.Stirt.Psoralea uncinata Psoralea usitata C.H.Stirt.Psoralea vanberkeliae C.H.Stirt., A.Bello & MuasyaPsoralea velutina Psoralea venusta Psoralea verrucosa Willd. ex Spreng.Psoralea vlokii Psoralea wilmsii- ''Psoralea zeyheri''