The genus Psychotria is one of the largest genera of flowering plants and contains 1582 species from the family Rubiaceae. Detailed, up to date information can be found on Psychotria in the World Checklist of Rubiaceae.
Ixora is a genus of flowering plants in the family Rubiaceae. It is the only genus in the tribe Ixoreae. It consists of tropical evergreen trees and shrubs and holds around 544 species. Though native to the tropical and subtropical areas throughout the world, its centre of diversity is in Tropical Asia. Ixora also grows commonly in subtropical climates in the United States, such as Florida where it is commonly known as West Indian jasmine.
Lycianthes is a genus of plants from the nightshade family (Solanaceae), found in both the Old World and the New World, but predominantly in the latter. It contains over 150 species, mostly from tropical America, with 35-40 species in Asia and the Pacific.
Bertiera is a genus of flowering plants in the family Rubiaceae. It comprises 57 species with most known from tropical Africa, five known from various Indian Ocean islands and five found in the tropics of the Americas.
Gaertnera is a genus of flowering plants in the family Rubiaceae. There are at least 85 species distributed across the Old World tropics from Africa to Asia.
Gonzalagunia is a genus of plant in the family Rubiaceae.
Simira is a genus of plants in the family Rubiaceae. The genus was first published by French pharmacist and botanist Jean Baptiste Christophore Fusée Aublet in Hist. Pl. Guiane vol.1 on page 170 in 1775.
Urophyllum is a genus of flowering plant in the family Rubiaceae, native to from south China to Tropical Asia. The genus was established by Nathaniel Wallich in 1824.
Aidia is a genus of flowering plants in the family Rubiaceae. It was described by João de Loureiro in 1790. It has a wide distribution area and occurs in tropical Africa, tropical and subtropical Asia and the western Pacific.
Chomelia is a genus of flowering plants in the family Rubiaceae. It is native to Mexico, Central America, the West Indies, and much of South America as far south as Argentina.
Geophila is a genus of herbs in the family Rubiaceae. This genus is pantropical, as it is found in most tropical regions.
Chassalia is a genus of flowering plants in the family Rubiaceae. The genus is found from tropical Africa to (sub)tropical Asia.
Coussarea is a genus of flowering plants in the family Rubiaceae. The genus is found from southern Mexico to tropical America.
Eumachia is a genus of flowering plant in the family Rubiaceae. Its species are native to tropical and subtropical regions worldwide. The genus was established by Augustin Pyramus de Candolle in 1830.
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