| Dirichletia | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Subfamily: | Rubioideae |
| Tribe: | Knoxieae |
| Genus: | Dirichletia Klotzsch |
| Type species | |
| Dirichletia pubescens | |
| Synonyms | |
| |
Dirichletia is a genus of flowering plants in the family Rubiaceae. The genus is found northeastern tropical Africa to Namibia. [1]
Oldenlandia is a genus of flowering plants in the family Rubiaceae. It is pantropical in distribution and has about 240 species. The type species for the genus is Oldenlandia corymbosa.
Bullockia is a genus of flowering plants in the family Rubiaceae. It was originally described as a subgenus of Canthium. The genus is distributed in eastern and southern Africa from Ethiopia to Transvaal, as well as Madagascar in bushland, woodland, savannas, and dry, deciduous forests.
Lepturus is a genus of plants in the grass family, native to Asia, Africa, Australia, and various islands in the Indian and Pacific Oceans.
Pyrostria is a genus of dioecious flowering plants in the family Rubiaceae. Most of the species are endemic to Madagascar, others occur on islands in the western Indian Ocean, a few are found in continental Africa, and only six species occur in tropical Southeast Asia. The formerly recognized genus Leroya, containing two species endemic to Madagascar, L. madagascariensis and L. richardiae, was sunk into synonymy with Pyrostria.
Hedyotis (starviolet) is a genus of flowering plants in the family Rubiaceae. Many species of this genus such as Hedyotis biflora, H. corymbosa and H. diffusa are well known medicinal plants. Hedyotis is native to tropical and subtropical Asia and to islands of the northwest Pacific. It comprises about 115 species. The type species for the genus is Hedyotis fruticosa.
Kadua is a genus of flowering plants in the family Rubiaceae. It comprises 29 species, all restricted to Polynesia. Twenty-two of these are endemic to the Hawaiian Islands. Some of the species are common at high elevation. Others are single-island endemics or very rare, and a few are probably extinct. Kadua affinis is widely distributed in Hawaii and is polymorphic. The type species for the genus is Kadua acuminata.
Pyrostria revoluta, formerly Scyphochlamys revoluta, is a species of flowering plant in the family Rubiaceae that lives on the island of Rodrigues.
Plocama is a genus of flowering plants in the family Rubiaceae. It was described by William Aiton in 1789. It is distributed from the Canary Islands to northwestern India.
Plocama puberula is a species of flowering plant in the family Rubiaceae. It is endemic to the Socotra archipelago of Yemen. Its natural habitat is rocky areas.
Plocama tinctoria is a species of flowering plant in the family Rubiaceae. It is endemic to northern Somalia and the Socotra archipelago of Yemen. Its natural habitat is subtropical or tropical dry forests. It is listed by the IUCN as a threatened species under the basionym Gaillonia tinctoria.
Pentanisia is a genus of flowering plants in the family Rubiaceae.
Chamaepentas is a genus of flowering plants in the family Rubiaceae. It is native to tropical Africa.
Dolichopentas is a genus of flowering plants in the family Rubiaceae. The genus is found in tropical Africa.
Knoxieae is a tribe of flowering plants in the family Rubiaceae and contains about 131 species in 16 genera. Its representatives are found in Tropical and Southern Africa, the islands in the Western Indian Ocean, the Arabian Peninsula, Tropical and Subtropical Asia, and Northern Australia.
Spermacoceae is a tribe of flowering plants in the family Rubiaceae and contains about 1346 species in 57 genera. Its representatives are found in the tropics and subtropics.
Octotropideae is a tribe of flowering plants in the family Rubiaceae and contains about 103 species in 18 genera. Its representatives are found in the paleotropics.
Triainolepis is a genus of flowering plants belonging to the family Rubiaceae.
Phyllopentas is a genus of flowering plants belonging to the family Rubiaceae.
Paracarphalea is a genus of flowering plants belonging to the family Rubiaceae.
Rhodopentas is a genus of flowering plants belonging to the family Rubiaceae.
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