| Polystemma | |
|---|---|
| Polystemma guatemalense | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Tribe: | Asclepiadeae |
| Genus: | Polystemma Decne. |
| Species | |
Polystemma is a genus of flowering plants of the family Apocynaceae first established as a genus in 1844. It is native to Mexico and Central America.
As of October 2026[update], Plants of the World Online accepted the following species: