Cup Plant
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.
Quick Facts
| Scientific name | Silphium perfoliatum |
| Family | Asteraceae |
| Height | 6-10 ft |
| Bloom time | Jul-Sep |
| Sun | Full sun |
| Moisture | Mesic to wet |
| Soil | Loam, clay |
| Wildlife value | Paired leaves hold rainwater that birds drink from; seed for finches |
Mentioned In
Image Credits
- Unknown (Public domain)
- No machine-readable author provided. Hardyplants assumed (based on copyright claims). (Public domain)