| Calymmanthium | |
|---|---|
| Calymmanthium substerile | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Calymmantheae |
| Genus: |
Calymmanthium F.Ritter |
| Species | |
Calymmanthium is a genus of primitive tree-like cacti from northern Peru. It is the only genus belonging to the tribe Calymmantheae.
Diploperianthium F.Ritter (nom. inval.) has been brought into synonymy with this genus.