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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. Other common names include viruchi, kiskaara, kepale, rangan, kheme, ponna, chann tanea, techi, pan, siantan, jarum-jarum/jejarum, jungle flame, jungle geranium, and cruz de Malta, among others. The plants possess leathery leaves, ranging from 3 to 6 inches in length, and produce large clusters of tiny flowers in the summer. Members of Ixora prefer acidic soil, and are suitable choices for bonsai. It is also a popular choice for hedges in parts of South East Asia. In tropical climates, they flower year round and are commonly used in Hindu worship, as well as in ayurveda and Indian folk medicine.
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.
Simira is a genus of plants in the family Rubiaceae. It contains the following species:
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.
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.
Mussaenda is a genus of flowering plants in the family Rubiaceae. They are native to the African and Asian tropics and subtropics. Several species are cultivated as ornamental plants.
Margaritopsis is a genus of flowering plants in the coffee family. The genus is found from Mexico to tropical America.
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.