Rubiaceae
Psychotria serpens L.
Psychotria serpens L.
Creeping psychotria (Psychotria serpens) is a Rubiaceae liana often substituted for Caulis Trachelospermi in traditional Chinese preparations for people with cancer.
Psychotria tenuifolia Sw.
Psychotria tenuifolia Sw.
Psychotria tenuifolia Sw. is a flowering evergreen shrub or small tree native to the Americas with traditional Caribbean medicinal uses.
Psydrax obovatus (Klotzsch ex Eckl. & Zeyh.) Bridson
Psydrax obovatus (Klotzsch ex Eckl. & Zeyh.) Bridson
Psydrax obovatus is a southern African Rubiaceae shrub or tree with two accepted subspecies.
Randia aculeata L.
Randia aculeata L.
Randia aculeata (white indigoberry) is a Rubiaceae shrub or small tree native to regions ranging from Florida to Colombia.
Richardia brasiliensis Gomes
Richardia brasiliensis Gomes
Richardia brasiliensis is a flowering plant native to South America that is invasive elsewhere and used medicinally in Brazil.
Richardia grandiflora (Cham. & Schltdl.) Steud.
Richardia grandiflora (Cham. & Schltdl.) Steud.
Richardia grandiflora is a South American Rubiaceae species used as ground cover, now widespread in Florida where it is sometimes seen as a weed.
Richardia scabra L.
Richardia scabra L.
Richardia scabra L. is a small flowering plant found in various open and woodland habitats across the southeastern United States.
Rothmannia capensis Thunb.
Rothmannia capensis Thunb.
Rothmannia capensis Thunb. is a South African Rubiaceae tree with fragrant summer flowers and distinctive cracked bark.
Rubia cordifolia L.
Rubia cordifolia L.
Rubia cordifolia L. is a climbing madder plant historically valued for natural red dye and used in traditional Asian medicine.
Rubia peregrina L.
Rubia peregrina L.
Rubia peregrina L. is a stress-resistant climbing evergreen weed native to Mediterranean Europe, Great Britain and North Africa.
Rubia tinctorum L.
Rubia tinctorum L.
Rubia tinctorum L. (common madder) is a climbing plant historically cultivated for red natural dye from its roots.
Sherardia arvensis L.
Sherardia arvensis L.
Sherardia arvensis is an annual herbaceous weed in Rubiaceae, sometimes used to produce red dye from its roots.
Spermacoce latifolia Aubl.
Spermacoce latifolia Aubl.
Spermacoce latifolia Aubl. (syn. Spermacoce alata) is a perennial herb native to the Americas and naturalized across tropical regions of the Old World.
Spermacoce remota Lam.
Spermacoce remota Lam.
Spermacoce remota, woodland false buttonweed, is a Rubiaceae species native to the Americas and naturalized widely across the Old World and Pacific islands.
Strumpfia maritima Jacq.
Strumpfia maritima Jacq.
Strumpfia maritima is the only species in the monotypic genus Strumpfia, an evergreen coastal shrub found from southern Florida to northern Venezuela.
Valantia muralis L.
Valantia muralis L.
Valantia muralis L. is a small annual self-supporting herb in the Rubiaceae family with simple broad leaves.
Vangueria infausta Burch.
Vangueria infausta Burch.
Vangueria infausta, the African medlar, is an African native small tree used as traditional food and medicine.
Warszewiczia coccinea (Vahl) Klotzsch
Warszewiczia coccinea (Vahl) Klotzsch
Warszewiczia coccinea is the national flower of Trinidad and Tobago, an ornamental flowering evergreen native to the Neotropics.
Cephalanthus salicifolius Humb. & Bonpl.
Cephalanthus salicifolius Humb. & Bonpl.
Cephalanthus salicifolius, the Mexican buttonbush, is a deciduous flowering shrub or small tree native to parts of North and Central America.
Cephalanthus glabratus (Spreng.) K.Schum.
Cephalanthus glabratus (Spreng.) K.Schum.
Cephalanthus glabratus is a flowering plant species in the Rubiaceae family, native to South America.
Cephalanthus natalensis Oliv.
Cephalanthus natalensis Oliv.
Sylvainia is a monotypic Rubiaceae genus containing the African scrambling shrub/tree Sylvainia natalensis, reclassified from Cephalanthus in 2023.
Nauclea orientalis (L.) L.
Nauclea orientalis (L.) L.
Nauclea orientalis (Leichhardt tree) is a deciduous tropical tree with edible bitter fruits and multiple documented traditional uses.
Nauclea latifolia Sm.
Nauclea latifolia Sm.
Nauclea latifolia Sm. is a tropical African tree/shrub widely used in traditional medicine and for multiple practical purposes.
Neolamarckia cadamba (Roxb.) Bosser
Neolamarckia cadamba (Roxb.) Bosser
Neolamarckia cadamba is a large fast-growing tropical tree with many uses including timber, food, and craft.
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