Alluaudia is a genus of flowering plants in the family Didiereaceae. There are six species, all endemic to Madagascar.
Didiereaceae is a family of flowering plants found in continental Africa and Madagascar. It contains 20 species classified in three subfamilies and six genera. Species of the family are succulent plants, growing in sub-arid to arid habitats. Several are known as ornamental plants in specialist succulent collections. The subfamily Didiereoideae is endemic to the southwest of Madagascar, where the species are characteristic elements of the spiny thickets.
Alluaudia procera, or Madagascar ocotillo, is a deciduous succulent plant species of the family Didiereaceae. It is endemic to south Madagascar.
Cynanchum is a genus of about 300 species including some swallowworts, belonging to the family Apocynaceae. The taxon name comes from Greek kynos and anchein, hence the common name for several species is dog-strangling vine. Most species are non-succulent climbers or twiners. There is some evidence of toxicity.
Marojejya is a genus of flowering plant in the family Arecaceae. It contains the following two species, both endemic to Madagascar:
Poecilostachys is a genus of African plants in the grass family, several of the species found only in Madagascar.
Didierea madagascariensis, commonly known as the octopus tree, is a species of Didiereaceae endemic to the spiny thickets of southwestern Madagascar. It was first described scientifically by the French botanist Henri Ernest Baillon in 1880 and is the type species of the genus Didierea.
Pentopetia is a plant genus in the family Apocynaceae, first described as a genus in 1844.
Didierea is a genus of succulent flowering plants in the family Didiereaceae. It is dedicated to naturalist Alfred Grandidier (1836-1921).
Alluaudia comosa is a rare species of flowering plant. It belongs to the family Didiereaceae, subfamily Didiereoideae, which is found only in the coastal area of SW Madagascar. Didierea comosa Drake is a synonym. It is listed as "vulnerable" on the IUCN Red List of Threatened Species.
Vernonia alleizettei is a species of flowering plant in the aster family, Asteraceae. It is endemic to Madagascar.
Vernonia andapensis is a species of perennial plant in the family Asteraceae. It is endemic to Madagascar.
Baroniella is a genus of flowering plants belonging to the family Apocynaceae.
Cannaboides is a genus of flowering plants belonging to the family Apiaceae.
Cloiselia is a genus of flowering plants belonging to the family Asteraceae.
Decarya is a monotypic genus of flowering plants belonging to the family Didiereaceae. It has one species Decarya madagascariensisChoux
Radamaea is a genus of flowering plants belonging to the family Orobanchaceae.
Leucosalpa is a genus of flowering plants belonging to the family Orobanchaceae.
Plagioscyphus is a genus of flowering plants belonging to the family Sapindaceae.
Pseudocannaboides is a genus of flowering plants belonging to the family Apiaceae.
