| Paraknoxia | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Paraknoxia Bremek. |
Paraknoxia is a genus of flowering plants belonging to the family Rubiaceae. [1]
Its native range is Central African Republic to Eastern and Southern Tropical Africa. [1]
Species: [1]
Vigna is a genus of flowering plants in the legume family, Fabaceae, with a pantropical distribution. It includes some well-known cultivated species, including many types of beans. Some are former members of the genus Phaseolus. According to Hortus Third, Vigna differs from Phaseolus in biochemistry and pollen structure, and in details of the style and stipules.
Pauridiantha is an afrotropical genus of plant in family Rubiaceae. It contains the following species :
Pavetta is a genus of flowering plants in the family Rubiaceae. It comprises about 350 species of trees, evergreen shrubs and sub-shrubs. It is found in woodlands, grasslands and thickets in sub-tropical and tropical Africa and Asia. The plants are cultivated for their simple but variable leaves, usually opposite but also occur in triple whorls. The leaves are often membranous with dark bacterial nodules. Pavetta has small, white, tubular flowers, sometimes salviform or funnel-shaped with 4 spreading petal lobes. The flowers are carried on terminal corymbs or cymes.
Polysphaeria is a genus of plant in the family Rubiaceae, and its native range is Madagascar and Tropical Africa. It contains the following 22 species according to Plants of the World Online:
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.
Agathisanthemum is a genus of flowering plants in the family Rubiaceae. It was described by Johann Friedrich Klotzsch in 1861. It is found in tropical and southern Africa, on the Comoros and in Madagascar.
Batopedina is a genus of flowering plants in the family Rubiaceae. It was described by Bernard Verdcourt in 1953. The genus is found in Burkina Faso, Ghana, D.R.Congo, and Zambia.
Virectaria is a genus of flowering plants in the family Rubiaceae. The genus, known as Virecta until 1952, consists exclusively of tropical African species. It is a Guineo-Congolian genus, having its highest diversity in Lower Guinea but it also occurs in the Zambezian Region. Verdcourt provided a revision in which he defined five species but three more were added later. In 2001, a detailed morphological and anatomical study of the genus was conducted and a taxonomic survey and a key to the species was provided.
Chamaepentas is a genus of flowering plants in the family Rubiaceae. It is native to tropical Africa.
Chassalia is a genus of flowering plants in the family Rubiaceae. The genus is found from tropical Africa to (sub)tropical Asia.
Conostomium is a genus of flowering plants in the family Rubiaceae. The genus is found from Ethiopia to South Africa.
Rubioideae Juss., 1789 is a subfamily of flowering plants in the family Rubiaceae and contains about 7600 species in 27 tribes.
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.
Palicoureeae is a tribe of flowering plants in the family Rubiaceae and contains about 817 species in 11 genera. Its representatives are found in the tropics and subtropics.
Otomeria is a genus of flowering plants belonging to the family Rubiaceae.
Parapentas is a genus of flowering plants belonging to the family Rubiaceae.
Rostellularia is a genus of flowering plants belonging to the family Acanthaceae.
Rhaphidospora is a genus of flowering plants belonging to the family Acanthaceae.