Photographer: Merel R. Black
Arctium minus Bernh.
common burdock, lesser burdock
Arctium: from Greek arction, the name of a plant taken from arctos, "bear," because of the rough involucre
Invasive - Eradicate!
|Status: ||Introduced - naturalized; ecologically invasive|
|Plant: ||erect, biennial, 1 1/2'-5' tall forb|
|Flower: ||head 3/4"-1" wide with pink to purplish disk flowers, bracts (phyllaries) with hooks curving inward; inflorescence clusters of short stalked or stalkless heads; blooms July-Oct.|
|Fruit:||round, bristly, 1/2" clinging bur (inspiration for Velcro)|
|Leaf:||alternate, large, heart-shaped base, on stalks getting shorter toward the top, lower stalks mostly hollow|
|Habitat: ||roadsides, disturbed sites|