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Photographer: Emmet J. Judziewicz
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Family Asteraceae
Arctium tomentosum Mill.
cotton burdock, hairy burdock, woolly burdock
Arctium: from Greek arction, the name of a plant taken from arctos, "bear," because of the rough involucre
tomentosum: densely woolly
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| Status: | Introduced - locally established |
| Plant: | erect, biennial, 2'-4' tall forb |
| Flower: | head 1/2"-1" wide with pink to purple disk flowers, densely woolly, bracts(phyllaries) only slightly hooked; inflorescence a cluster of long-stalked heads |
| Fruit: | round, slightly bristly bur |
| Leaf: | alternate, large, heart-shaped base, on stalks getting shorter toward the top, lower stalks mostly hollow |
| (Glossary) |
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