E-Flora BC: Electronic Atlas of the Flora of British Columbia

Carduus crispus L.
curly plumeless thistle
Asteraceae (Aster family)

Introduction to Vascular Plants

© Robert Flogaus-Faust  Email the photographer   (Photo ID #67144)

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Distribution of Carduus crispus
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Introduction

Included in IFBC Vol 1, but based on a single collection from Dawson Creek in 1966 ( J. Harrod s.n. @ DAO) where it was growing in red clover imported from Norway. There is no evidence it is established in BC.

Species Information

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General:
Biennial herb; stems spiny-winged, branched above, 0.6-2.0 m tall.
Leaves:
Basal leaves lacking; stem leaves oblanceolate below, narrowly elliptic or lanceolate in outline above; nearly entire to deeply pinnately cut, glabrous or lightly cobwebby above, woolly-hairy below, spiny-margined.
Fruits:
Achenes glabrous, egg-shaped, with about 20 thin longitudinal brown lines; pappus whitish, with minutely finely-barbed bristles.

Habitat / Range

Dry roadsides or waste places in the montane zone; rare in NE BC, known only from Dawson Creek; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Taxonomic and Nomenclatural Links

Flora North America treatment for Asteraceae
 Flora North America treatment for Carduus crispus
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-18 12:19:14 AM ]
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