Wildflowers Found in Oregon

Fuller's Teasel (Common Teasel)

Dipsacus fullonum - Locally common, all summer, biennial, 3-6 ft. Erect stem topped by cone-shaped spiny flower head. Stem hollow, stout, with few branches, covered with some rough hairs. Leaves lance-shaped, in pairs clasping around stem, may be shallowly toothed; underside of midrib spiny. Flowers lilac to pink, held by everlasting spiny bracts forming 2-4 in. stiff cone-shaped head. Long leaf-like bracts with spiny edges, 4-5 at base of flower head. Flowers open in ring around head starting at bottom. Grows in moist to wet places, disturbed soils, at low to mid elevations. Nonnative.