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Photographer: Merel R. Black
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Family Asteraceae
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
minus: smaller
Invasive - Eradicate!
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| 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 |
| (Glossary) |
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