Silphium perfoliatum
| Silphium perfoliatum | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Silphium |
| Species: | S. perfoliatum |
| Binomial name | |
| Silphium perfoliatum | |
Silphium perfoliatum, the cup plant or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.
The specific epithet perfoliatum means "through the leaf."
There are two varieties:
- Silphium perfoliatum var. connatum
- Silphium perfoliatum var. perfoliatum.