Category
page 1Knoxieae
Pentanisia
Pentanisia is a genus of flowering plants in the family Rubiaceae.
Knoxia
Knoxia is a genus of flowering plants in the family Rubiaceae. The genus is known to be a rich source of anthraquinones.
Chamaepentas
Chamaepentas is a genus of flowering plants in the family Rubiaceae. It is native to tropical Africa.
Batopedina
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.
Carphalea
Carphalea is a genus of flowering plants in the family Rubiaceae. It is endemic to Madagascar.

Dirichletia
Dirichletia is a genus of flowering plants in the family Rubiaceae. The genus is found northeastern tropical Africa to Namibia.
Dirichletia obovata
species of plant
Dolichopentas
Dolichopentas is a genus of flowering plants in the family Rubiaceae. The genus is found in tropical Africa.
Otiophora
genus of plants
Knoxieae
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.
Phyllopentas ledermannii
species of plant

Pentanisia angustifolia
species of plant
Dirichletia virgata
species of plant