Dipsacus laciniatus
A biennial forb with a large taproot, and many small white flowers in terminal heads, enveloped by spiny bracts. Deeply lobed leaves create fused cups that collect rainwater on prickly flowering stalks.
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Habitats | |
ODA Listing | |
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Shade Preference | |
Mature Height | up to 7' |
Distribution | Known populations exisit in Southern Oregon |
Control | belowground cutting is most effective just before the plant flowers. |
Disposal Methods | Dispose of cut stems in sealed bags because they may still produce viable seeds. |
Reproduction and Spread | Seeds are dispersed by animals and water. They are also dispesred by human collection and use of dried teasel flower heads. |
Introduced | Introduced from Europe in the 1700s. |
Look Alikes | Common teasel |
Impact | Forms large stands that outcompete desirable vegetation and negatively impact riparian areas. |
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