| Petalostelma | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Genus: |
Petalostelma E.Fourn. |
| Type species | |
|
Petalostelma martianum (Decne.) E.Fourn. |
|
Petalostelma is a genus of flowering plants formerly belonging to the plant family Asclepiadaceae, now considered to be part of the Apocynaceae, first described as a genus in 1885. They are native to South America.