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cutleaf teasel (Dipsacus laciniatus)
ODA rating: B
 
USDA Symbol: DILA4
Oregon cutleaf teasel distribution
 
Other common names
cut-leaved teasel
 
Click on photo to view larger image.
 
  Image courtsey of Shannon Brubaker, Oregon Dept. of Ag.
 
Images courtesy of Bob Barratt, Oregon Dept. Ag. (retired)
 
Image courtesy of Todd Pfeiffer, Klamath County Weed Control.
 
If images are downloaded and used from the ODA web site please be sure to credit the photographer.
 
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.
 
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

Biological controls
No approved biological control agents are available.