Teasel is a herbaceous monocarpic perennial. They grow as a basal rosette for a year then form a prickly flower stalk that grows up to 6' tall in the second or third year.
Leaves: Leaves are large and oblong. The leaves of the flowering plants join into a cup around the stem.
Flowers: Teasel has a purple flower and bracts longer then the flower head.
Fruits & Seeds: Small fruits produce one hairy grayish brown seed.
Roots: Has a deep taproot up to 2' long and 1" in diameter.
Ecological threats
- Invades oak savannas, prairies, fields, meadows, and roadsides.