Wild Teasel, Dipsacus fullonum Family Teasel (Dipsacaceae) Height Often 4-6 ft. Color Purple occas. white Flowers Tiny funnels erupting in a band Blooms Leaves Habitat Wetlands     Non-native. Can be extremely invasive. Considered a pest in some habitats, it is encouraged in others because it can provide an important winter food source for birds and add drama to a garden. The prickly flowers are particularly flamboyant. Usually occurs in wetlands. caption: file: x - square 0" x 0" at 300 dpi - release: contact us regarding image add image to lightbox References