''Psydrax'' is a genus of flowering plants in the family Rubiaceae. It consists of trees,

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

s, and a few

liana A liana is a long- stemmed, woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. The word ''liana'' does not refer to a ta ...

s 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 A name is a term used for identification by an external observer. They can identify a class or category of things, or a single thing, either uniquely, or within a given context. The entity identified by a name is called its referent. A personal ...

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 cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...

in a

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

study Study or studies may refer to: General * Education **Higher education * Clinical trial * Experiment * Observational study * Research * Study skills, abilities and approaches applied to learning Other * Study (art), a drawing or series of drawi ...

. It is closely related to ''

Afrocanthium ''Afrocanthium'' is a genus of flowering plants in the family Rubiaceae. It consists of deciduous, unarmed trees, and shrubs. They are native to East Africa, from Sudan and Ethiopia to South Africa. Taxonomy ''Afrocanthium'' was first recogniz ...

'', '' Cyclophyllum'' and '' Keetia'', genera that have been segregated from '' Canthium''.

Species

* '' Psydrax acutiflora'' (Hiern) Bridson * '' Psydrax ammophila'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax amplifolia'' (Elmer)A.P.Davis * '' Psydrax ankotekonensis'' (Cavaco) A.P.Davis & Bridson * '' Psydrax approximatus'' ( Korth.) Mahyuni & K.M.Wong * '' Psydrax arnoldiana'' (De Wild. & T.Durand) Bridson * '' Psydrax attenuata'' (R.Br. ex Benth.) S.T.Reynolds & R.J.F.Hend. * '' Psydrax austro-orientalis'' (Cavaco) A.P.Davis & Bridson * '' Psydrax banksii'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax bathieana'' (Cavaco)A.P.Davis & Bridson * '' Psydrax bridsoniana'' Cheek & Sonké * '' Psydrax calcicola'' (Craib)A.P.Davis * '' Psydrax capensis'' J.C.Manning & Goldblatt * '' Psydrax cymigera'' (Valeton)S.T.Reynolds & R.J.F.Hend. * ''

Psydrax dicoccos ''Psydrax dicoccos'' is a species of flowering plant in the family Rubiaceae. It is found from southeast China to tropical Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in ...

'' Gaertn. * '' Psydrax dunlapii'' (Hutch. & Dalziel) Bridson * ''

Psydrax esirensis ''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' ...

'' (Cavaco) A.P.Davis & Bridson * '' Psydrax fasciculata'' (Blume) A.P.Davis * '' Psydrax faulknerae'' Bridson * '' Psydrax ficiformis'' (Hook.f.) Bridson * ''

Psydrax forsteri ''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' ...

'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax fragrantissima'' (K.Schum.) Bridson * '' Psydrax gilletii'' (De Wild.) Bridson * '' Psydrax graciliflora'' (Merr. & L.M.Perry) S.T.Reynolds & R.J.F.Hend. * '' Psydrax grandifolia'' (Thwaites) Ridsdale * '' Psydrax graniticola'' (Chiov.) Bridson * ''

Psydrax gynochthodes ''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 ...

'' (Baill.) Arriola, Yayen & Alejandro * '' Psydrax horizontalis'' (SChumach. & Thonn.) Bridson * '' Psydrax johnsonii'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax kaessneri'' (S.Moore) Bridson * '' Psydrax kibuwae'' Bridson * '' Psydrax kingii'' (Hook.f.) Bridson & Springate * ''

Psydrax kraussioides ''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 ...

'' (Hiern) Bridson * '' Psydrax lamprophylla'' (F.Muell.) Bridson * '' Psydrax latifolia'' (F.Muell. ex Benth.) 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'' (Hiern) Bridson * '' Psydrax locuples'' (K.Schum.) Bridson * '' Psydrax longipes'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax longistyla'' (Merr.) A.P.Davis * '' Psydrax lucidulus'' ( Miq.) Mahyuni & K.M.Wong * ''

Psydrax lynesii ''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 ...

'' Bullock ex Bridson * '' Psydrax maingayi'' (Hook.f.) Bridson * '' Psydrax manambyana'' (Cavaco) A.P.Davis & Bridson * '' Psydrax manensis'' (Aubrév. & Pellegr.) Bridson * '' Psydrax martini'' (Dunkley) Bridson * '' Psydrax micans'' (Bullock) Bridson * '' Psydrax moandensis'' Bridson * '' Psydrax moggii'' Bridson * '' Psydrax montana'' (Thwaites) Ridsdale * '' Psydrax montigena'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax multiflorus'' Arriola & Alejandro * '' Psydrax mutimushii'' Bridson * '' Psydrax nitida'' (Craib) K.M.Wong * ''

Psydrax obovata ''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' ...

'' (Klotzsch ex Eckl. & Zeyh.) Bridson * '' Psydrax occidentalis'' (Cavaco) A.P.Davis & Bridson * '' Psydrax odorata'' (

G.Forst. Johann George Adam Forster, also known as Georg Forster (, 27 November 1754 – 10 January 1794), was a German naturalist, ethnologist, travel writer, journalist and revolutionary. At an early age, he accompanied his father, Johann Reinhold F ...

) A.C.Sm. & S.P.Darwin * '' Psydrax oleifolia'' (Hook.) S.T.Reynolds & R.J.F.Hend. * '' Psydrax pallida'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax palma'' (K.Schum.) Bridson * '' Psydrax paludosa'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax paradoxa'' (Virot) Mouly * '' Psydrax parviflora'' (Afzel.) Bridson * '' Psydrax pendulina'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax pergracilis'' (Bourd.) Ridsdale * '' Psydrax polhillii'' Bridson * '' Psydrax puberula'' Arriola & Alejandro * '' Psydrax recurvifolia'' (Bullock) Bridson * '' Psydrax reticulata'' (C.T.White) S.T.Reynolds & R.J.F.Hend. * ''

Psydrax richardsiae ''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 ...

'' Bridson * '' Psydrax rigidula'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax robertsoniae'' Bridson * ''

Psydrax sabahensi ''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' ...

'' Mahyuni * '' Psydrax saligna'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax sambiranensis'' (Cavaco) A.P.Davis & Bridson * '' Psydrax schimperiana'' (A.Rich.) Bridson * '' Psydrax sepikensis'' A.P.Davis * '' Psydrax shuguriensis'' Bridson * '' Psydrax splendens'' (K.Schum.) Bridson * '' Psydrax suaveolens'' (S.Moore) S.T.Reynolds & R.J.F.Hend. * '' Psydrax subcordata'' (DC.) Bridson * '' Psydrax suborbicularis'' (C.T.White) S.T.Reynolds & R.J.F.Hend. * '' Psydrax sumatranus'' ( Miq.) Mahyuni * ''

Psydrax tropica ''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'' ...

'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax umbellata'' (Wight) Bridson * '' Psydrax undulatifolius'' K.M.Wong & Mahyuni * '' Psydrax virgata'' (Hiern) Bridson * '' Psydrax whitei'' Bridson * '' Psydrax wongii'' Mahyuni

Taxonomy

Species

References

External links