| Plant: Tap rooted biennial with spiny winged stems growing 2 to 5 feet tall. Young plants develop as a rosette. Invasive |  |
| Flowers: Flower heads tipped with prickles, purple flowers. |  |
| Leaf: Arranged alternately on the stem and end in long sharp spines. Upper surfaces have short prickles, underside cottony. |   |
| Flowering period: | June to September |
| Can be found here: | Many Places |
| Native Plant: No | Halophyte: No |
| Family Name: Sunflower |
|
|
Date: 9/14/2005
|