Macaranga is a large genus of Old World tropical trees of the family Euphorbiaceae and the only genus in the subtribe Macaranginae. Native to Africa, Australasia, Asia and various islands of the Indian and Pacific Oceans, the genus comprises over 300 different species. It was first described as a genus in 1806, based on specimens collected on the Island of Mauritius.
Erythroxylum (Erythroxylon) is a genus of tropical flowering plants in the family Erythroxylaceae. Many of the approximately 200 species contain the drug cocaine; Erythroxylum coca, a native of South America, is the main commercial source of cocaine and of the mild stimulant coca tea. Another species, Erythroxylum vaccinifolium is used as an aphrodisiac in Brazilian drinks and herbal medicine.
Stereospermum is a genus of trees in the paleotropical clade of the family Bignoniaceae. A species of Stereospermum is used in herbal medicine in Ayurveda as well as it is an integral part of the culture and tradition of the cold desert biosphere reserve.
Phylloxylon is a genus of flowering plants in the Indigofereae tribe of the family Fabaceae. There are seven species, all endemic to Madagascar.
Dombeya is a flowering plant genus. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. These plants are known by a number of vernacular names which sometimes, misleadingly, allude to the superficial similarity of flowering Dombeya to pears or hydrangeas. Therefore, the genus as a whole is often simply called dombeyas. The generic name commemorates Joseph Dombey (1742–1794), a French botanist and explorer in South America, involved in the notorious "Dombey affair", embroiling scientists and governments of France, Spain, and Britain for more than two years.
Melhania is a genus of small shrubs or herbaceous plants. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. The genus is named for Mount Melhan in Yemen.
Antirhea is a genus of flowering plants in the family Rubiaceae.
Chadsia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae.
Markhamia is a genus of flowering plants in the family Bignoniaceae. The genus is named after Clements Markham.
Rauvolfioideae is a subfamily of the flowering plant family Apocynaceae. Many species are woody lianas, others are shrubs or perennial herbs.
Benstonea is a genus of flowering plants in the family Pandanaceae. It was formerly classified as Pandanus subgenus Acrostigma, but in 2012 was recognized as a distinct genus based on morphology and DNA sequencing. Benstonea is distributed from India to Fiji with centres of diversity in Borneo, Peninsular Malaysia and New Guinea.
Labourdonnaisia is a genus of plants in the family Sapotaceae found in tropical Asia, described as a genus in 1841.
Forcipella is a genus of flowering plants in the family Acanthaceae, with all species native to Madagascar.
Oncostemum are a genus of flowering plants in the family Primulaceae, native to the Comoros and Madagascar. The Mascarene Islands endemic genus Badula appears to nest inside Oncostemum.
Gereaua is a genus of flowering plants belonging to the family Sapindaceae.
Bathiorhamnus is a genus of flowering plants belonging to the family Rhamnaceae.
