''Psydrax'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

. It consists of

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s, shrubs, 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 ...

s in the paleotropics.

Taxonomy

The genus was named by

Joseph Gaertner Joseph Gaertner (12 March 1732 – 14 July 1791) was a German botanist, best known for his work on seeds, '' De Fructibus et Seminibus Plantarum'' (1788-1792). Biography He was born in Calw, and studied in Göttingen under Albrecht von Hal ...

in 1788 in his book, '' De Fructibus et Seminibus Plantarum''. ''Psydrax'' is a

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

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 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 ...

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 drawin ...

. 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 ''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 Pla ...

'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax bathieana'' (Cavaco)A.P.Davis & Bridson * '' Psydrax bridsoniana'' Cheek & Sonké * ''

Psydrax calcicola ''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 Plantaru ...

'' (Craib)A.P.Davis * ''

Psydrax capensis ''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 Plantaru ...

'' J.C.Manning & Goldblatt * ''

Psydrax cymigera ''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 Pla ...

'' (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 ''Psydrax'' is a genus of flowering plants in the Family (biology), family Rubiaceae. It consists of trees, shrubs, and a few lianas in the Paleotropical Kingdom, paleotropics. Taxonomy The genus was Botanical name, named by Joseph Gaertner in 1 ...

'' (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 ''Psydrax faulknerae'' is a species of flowering plant in the family Rubiaceae. It is found in Kenya and Tanzania. References faulknerae Vulnerable plants Taxonomy articles created by Polbot Taxa named by Diane Mary Bridson { ...

'' Bridson * ''

Psydrax ficiformis ''Psydrax ficiformis'' is a species of flowering plant in the family Rubiaceae. It is Endemism, endemic to southern India. References External linksWorld Checklist of Rubiaceae
Psydrax, ficiformis Endemic flora of India (region) Endanger ...

'' (Hook.f.) Bridson * '' Psydrax forsteri'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax fragrantissima'' (K.Schum.) Bridson * ''

Psydrax gilletii ''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 Plantaru ...

'' (De Wild.) Bridson * ''

Psydrax graciliflora ''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 Plantaru ...

'' (Merr. & L.M.Perry) S.T.Reynolds & R.J.F.Hend. * ''

Psydrax grandifolia ''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 Pla ...

'' (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 Pla ...

'' (Baill.) Arriola, Yayen & Alejandro * '' Psydrax horizontalis'' (SChumach. & Thonn.) Bridson * ''

Psydrax johnsonii ''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 Pla ...

'' S.T.Reynolds & R.J.F.Hend. * ''

Psydrax kaessneri ''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 Plantaru ...

'' (S.Moore) Bridson * ''

Psydrax kibuwae ''Psydrax kibuwae'' is a species of flowering plant in the family Rubiaceae. It is endemic to Tanzania. References kibuwae Flora of Tanzania Vulnerable plants Taxonomy articles created by Polbot Taxa named by Diane Mary Bridson ...

'' Bridson * ''

Psydrax kingii ''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 Pla ...

'' (Hook.f.) Bridson & Springate * '' Psydrax kraussioides'' (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 ''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 Pla ...

'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax livida'' (Hiern) Bridson * ''

Psydrax locuples ''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 Pla ...

'' (K.Schum.) Bridson * '' Psydrax longipes'' S.T.Reynolds & R.J.F.Hend. * ''

Psydrax longistyla ''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 Pla ...

'' (Merr.) A.P.Davis * ''

Psydrax lucidulus ''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 Plantaru ...

'' ( Miq.) Mahyuni & K.M.Wong * '' Psydrax lynesii'' Bullock ex Bridson * '' Psydrax maingayi'' (Hook.f.) Bridson * ''

Psydrax manambyana ''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 Pla ...

'' (Cavaco) A.P.Davis & Bridson * '' Psydrax manensis'' (Aubrév. & Pellegr.) Bridson * '' Psydrax martini'' (Dunkley) Bridson * ''

Psydrax micans ''Psydrax micans'' is a species of flowering plant in the family Rubiaceae . It is found in Mozambique and Tanzania. References micans Vulnerable plants Taxonomy articles created by Polbot Taxa named by Diane Mary Bridson {{I ...

'' (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.) A.C.Sm. & S.P.Darwin * '' Psydrax oleifolia'' (Hook.) S.T.Reynolds & R.J.F.Hend. * ''

Psydrax pallida ''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 Pla ...

'' 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 ''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 Pla ...

'' (Afzel.) Bridson * '' Psydrax pendulina'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax pergracilis'' (Bourd.) Ridsdale * ''

Psydrax polhillii ''Psydrax'' is a genus of flowering plants in the Family (biology), family Rubiaceae. It consists of trees, shrubs, and a few lianas in the Paleotropical Kingdom, paleotropics. Taxonomy The genus was Botanical name, named by Joseph Gaertner in 1 ...

'' Bridson * '' Psydrax puberula'' Arriola & Alejandro * ''

Psydrax recurvifolia ''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 Pla ...

'' (Bullock) Bridson * '' Psydrax reticulata'' (C.T.White) S.T.Reynolds & R.J.F.Hend. * '' Psydrax richardsiae'' Bridson * ''

Psydrax rigidula ''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 Pla ...

'' 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 ''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 Pla ...

'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax sambiranensis'' (Cavaco) A.P.Davis & Bridson * '' Psydrax schimperiana'' (A.Rich.) Bridson * ''

Psydrax sepikensis ''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 Pla ...

'' A.P.Davis * '' Psydrax shuguriensis'' Bridson * '' Psydrax splendens'' (K.Schum.) Bridson * ''

Psydrax suaveolens ''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 Pla ...

'' (S.Moore) S.T.Reynolds & R.J.F.Hend. * ''

Psydrax subcordata ''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 Pla ...

'' (DC.) Bridson * ''

Psydrax suborbicularis ''Psydrax suborbicularis'' is a species of flowering plant in the family Rubiaceae. It is endemic to Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of ...

'' (C.T.White) S.T.Reynolds & R.J.F.Hend. * ''

Psydrax sumatranus ''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 Pla ...

'' ( Miq.) Mahyuni * '' Psydrax tropica'' S.T.Reynolds & R.J.F.Hend. * '' Psydrax umbellata'' (Wight) Bridson * '' Psydrax undulatifolius'' K.M.Wong & Mahyuni * ''

Psydrax virgata ''Psydrax'' is a genus of flowering plants in the Family (biology), family Rubiaceae. It consists of trees, shrubs, and a few lianas in the Paleotropical Kingdom, paleotropics. Taxonomy The genus was Botanical name, named by Joseph Gaertner in 1 ...

'' (Hiern) Bridson * '' Psydrax whitei'' Bridson * '' Psydrax wongii'' Mahyuni

References

External links

World Checklist of Rubiaceae

''Psydrax''
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''Psydrax''
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''Psydrax''
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Index Nominum Genericorum
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''Psydrax''
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List of Genera
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Rubiaceae
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Families and Genera in GRIN
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GRIN taxonomy for plants
{{Taxonbar, from=Q3595355 Rubiaceae genera Taxonomy articles created by Polbot