Psydrax


Psydrax is a genus of flowering plants in the family Rubiaceae. It consists of trees, shrubs, and a few lianas in the paleotropics.

Taxonomy

The genus was named by Joseph Gaertner in 1788 in his book, De Fructibus et Seminibus Plantarum. Psydrax is a Greek word meaning a blister or bump. Gaertner may have chosen this name to refer to the warty fruit or the pimply seeds of some species. The name was hardly ever used after Gaertner proposed it because most authors placed these species in Canthium. Psydrax was reinstated in 1985 and 37 African species were transferred to it from Canthium. The monospecific genus Mesoptera was also sunk into Psydrax. Psydrax was shown to be monophyletic in a molecular phylogenetic study. It is closely related to Afrocanthium, Cyclophyllum and Keetia, genera that have been segregated from Canthium.

Species

Psydrax acutiflora BridsonPsydrax ammophila S.T.Reynolds & R.J.F.Hend.Psydrax amplifolia A.P.DavisPsydrax ankotekonensis A.P.Davis & BridsonPsydrax approximatus Mahyuni & K.M.WongPsydrax arnoldiana BridsonPsydrax attenuata S.T.Reynolds & R.J.F.Hend.Psydrax austro-orientalis A.P.Davis & BridsonPsydrax banksii S.T.Reynolds & R.J.F.Hend.Psydrax bathieana A.P.Davis & BridsonPsydrax bridsoniana Cheek & SonkéPsydrax calcicola A.P.DavisPsydrax capensis J.C.Manning & GoldblattPsydrax cymigera S.T.Reynolds & R.J.F.Hend.Psydrax dicoccos Gaertn.Psydrax dunlapii BridsonPsydrax esirensis A.P.Davis & BridsonPsydrax fasciculata A.P.DavisPsydrax faulknerae BridsonPsydrax ficiformis BridsonPsydrax forsteri S.T.Reynolds & R.J.F.Hend.Psydrax fragrantissima BridsonPsydrax gilletii BridsonPsydrax graciliflora S.T.Reynolds & R.J.F.Hend.Psydrax grandifolia RidsdalePsydrax graniticola BridsonPsydrax gynochthodes Arriola, Yayen & AlejandroPsydrax horizontalis BridsonPsydrax johnsonii S.T.Reynolds & R.J.F.Hend.Psydrax kaessneri BridsonPsydrax kibuwae BridsonPsydrax kingii Bridson & SpringatePsydrax kraussioides BridsonPsydrax lamprophylla BridsonPsydrax latifolia S.T.Reynolds & R.J.F.Hend.Psydrax laxiflorens S.T.Reynolds & R.J.F.Hend.Psydrax lepida S.T.Reynolds & R.J.F.Hend.Psydrax livida BridsonPsydrax locuples BridsonPsydrax longipes S.T.Reynolds & R.J.F.Hend.Psydrax longistyla A.P.DavisPsydrax lucidulus Mahyuni & K.M.WongPsydrax lynesii Bullock ex BridsonPsydrax maingayi BridsonPsydrax manambyana A.P.Davis & BridsonPsydrax manensis BridsonPsydrax martini BridsonPsydrax micans BridsonPsydrax moandensis BridsonPsydrax moggii BridsonPsydrax montana RidsdalePsydrax montigena S.T.Reynolds & R.J.F.Hend.Psydrax multiflorus Arriola & AlejandroPsydrax mutimushii BridsonPsydrax nitida K.M.WongPsydrax obovatus BridsonPsydrax occidentalis A.P.Davis & BridsonPsydrax odorata A.C.Sm. & S.P.DarwinPsydrax oleifolia S.T.Reynolds & R.J.F.Hend.Psydrax pallida S.T.Reynolds & R.J.F.Hend.Psydrax palma BridsonPsydrax paludosa S.T.Reynolds & R.J.F.Hend.Psydrax paradoxa MoulyPsydrax parviflora BridsonPsydrax pendulina S.T.Reynolds & R.J.F.Hend.Psydrax pergracilis RidsdalePsydrax polhillii BridsonPsydrax puberula Arriola & AlejandroPsydrax recurvifolia BridsonPsydrax reticulata S.T.Reynolds & R.J.F.Hend.Psydrax richardsiae BridsonPsydrax rigidula S.T.Reynolds & R.J.F.Hend.Psydrax robertsoniae BridsonPsydrax sabahensi MahyuniPsydrax saligna S.T.Reynolds & R.J.F.Hend.Psydrax sambiranensis A.P.Davis & BridsonPsydrax schimperiana BridsonPsydrax sepikensis A.P.DavisPsydrax shuguriensis BridsonPsydrax splendens BridsonPsydrax suaveolens S.T.Reynolds & R.J.F.Hend.Psydrax subcordata BridsonPsydrax suborbicularis S.T.Reynolds & R.J.F.Hend.Psydrax sumatranus MahyuniPsydrax tropica S.T.Reynolds & R.J.F.Hend.Psydrax umbellata BridsonPsydrax undulatifolius K.M.Wong & MahyuniPsydrax virgata BridsonPsydrax whitei BridsonPsydrax wongii Mahyuni