Acanthaceae is a family of dicotyledonous flowering plants containing almost 250 genera and about 2500 species. Most are tropical herbs, shrubs, or twining vines; some are epiphytes. Only a few species are distributed in temperate regions. The four main centres of distribution are Indonesia and Malaysia, Africa, Brazil, and Central America. Representatives of the family can be found in nearly every habitat, including dense or open forests, scrublands, wet fields and valleys, sea coast and marine areas, swamps, and mangrove forests.
Hemigraphis is a genus of plants in the family Acanthaceae, consisting of nearly 40 species native to tropical Asia. Hemigraphis is similar to plants the genus Strobilanthes, with some species now placed there. Its native range is Nansei-shoto and from Indo-China to New Guinea.
Kohautia is a genus of flowering plants in the family Rubiaceae. They are native to tropical areas of Asia, Africa, and Madagascar. Thirty-one species are known. The type species for the genus is Kohautia senegalensis.
Pauridiantha is an afrotropical genus of plant in family Rubiaceae.
Tarenna is a genus of flowering plants in the family Rubiaceae. There are about 192 species distributed across the tropical world, from Africa, Asia, Australia to the Pacific Islands. They are shrubs or trees with oppositely arranged leaves and terminal arrays of whitish, greenish, or yellowish flowers.
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.
Rubioideae is a subfamily of flowering plants in the family Rubiaceae and contains about 7600 species in 27 tribes.
Cosmianthemum is a genus of flowering plants belonging to the family Acanthaceae.
Hedythyrsus is a genus of flowering plants belonging to the family Rubiaceae.
Lathraeocarpa is a genus of flowering plants belonging to the family Rubiaceae.
Leucolophus is a genus of flowering plants belonging to the family Rubiaceae.
Lelya is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Lelya osteocarpaBremek.
Manostachya is a genus of flowering plants belonging to the family Rubiaceae.
Streblosa is a genus of flowering plants belonging to the family Rubiaceae.
Stephanococcus is a genus of flowering plants belonging to the family Rubiaceae.
Saldinia 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. A classification of the Acanthaceae published in 2022 treats Rhaphidospora as a synonym of Justicia.
Praravinia is a genus of flowering plants belonging to the family Rubiaceae.
Neuradopsis is a genus of flowering plants belonging to the family Neuradaceae.
