Cirsium horridulum
Family: Asteraceae
Plant Description: Biennial or perennial to 1 m high with spiny, clasping leaves 15-30 cm long. Flower heads solitary or few together, 4.5-6 cm high, discoid. Corolla pink, lavender, purple, or white.
Plant Trivia:
Field Identification:
Occurrence: Fairly frequent on deep sands in prairies and open areas.
Bloom Period: March-June
Plant Use:
Key to the Genus Cirsium:
- Heads subtended by a whorl of spiny bracts……C. horridulum
Heads not bracted……………………………………………………..C. texanum
