Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Common Teasel - Dipsacus fullonum
Other Names:  Fuller's Teasel, Wild Teasel, Venuscup Teasel, Dipsacus sylvestris

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Taprooted biennial. Stems erect, branched, angled, 50–200 cm. Herbage glabrous except for hooked prickles on stem and midribs. Basal leaves oblanceolate, crenate, withering with flowering. Stem leaves lanceolate, 5–30 cm long, dentate below, becoming connate above. Heads ovoid, 2–8 cm high; involucral bracts linear, prickly, unequal, 1–15 cm long; bracts between flowers lanceolate, awned. Flowers: calyx silky, 4-angled; corolla 4-lobed, light blue above, white below, pubescent, 10–15 mm long; lobes up to 1 mm long; stigma entire; stamens exserted. Achene 4-angled cylindrical, 4–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout temperate North America; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 8

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Moist meadows, margins of wetlands, thickets; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management

References
Login Logout
Citation for data on this website:
Common Teasel — Dipsacus fullonum.  Montana Field Guide.  .  Retrieved on , from