Common Name: teaselScientific Name: Dipsacus fullonum L. syn. Dipsacus sylvestrisFamily Name: Dipsacaceae - Teasel FamilyIdentification NotesLife Cycleintroduced biennial, reproducing by seed Stemsreproductive in second year, upright, tall, prickly, four angled, small ribbed Leavesbasal leaves in rosette, first year, oblanceolate, round toothed; stem leaves second year, opposite, lanceolate, toothed below becoming entire above,sessile or with bases united around stem, prickly underneath and on margins Flowers 4-petaled, tubular, pale purple to lavender, conspicuous dark purple stamens; terminal heads oval, spiny upturned bracts