| Wildflower Information for Bidens bipinnata | |
|---|---|
| Common name(s) | Spanish needles |
| Family | Asteraceae (Aster family) |
| Flowers | color: yellow petals: irregular |
| Leaves | opposite |
| Lifecycle | annual |
| Peak bloom period | late-August to September |
| Origin | native |
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Bidens bipinnata
Common name: Spanish needles