Winter annual; stems are straw colored and usually covered with loose woolly cobwebby hairs, especially in leaf axils and at the base of flower heads. Yellow flowers; one single flower per stem tip. Narrow leaves with spines; alternating on the stem.
Plant Details
| Habitat Notes | Disturbed sites, roadsides, pastures, annual grasslands; grows on many soil types. |
|---|---|
| Mature Height | 4’ |
