cutleaf teasel (Dipsacus laciniatus)
ODA rating: B
Other common names
cut-leaved teasel
Description
Biennial; flowers July to September. Grows up to seven feet tall. Rosette leaves ovid to oblong, mature leaves opposite, large, oblong and prickly. Upper stem leaves irregularly lobed. Stems tall and prickly. Flowers small, white and packed into ovate heads. Common teasel is similar, but has purple flowers and no lobes on upper leaves.
Impacts
Invasive in grasslands, savannahs and waste areas.
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Images courtesy of Western Society of Weed Science.
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If images are downloaded and used from the ODA web site please be sure to credit the photographer.
Introduction
Cutleaf teasel is a native of Europe and was introduced to North America in the 1700s. Teasel is currently used in horticultural plantings and dried flower arrangements.
Distribution in Oregon
Map legend
Yellow: limited distribution
Red: abundant
Grey: not known to be present
Biological controls
No approved biological control agents are available.
Informational links
WeedMapper
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