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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Cirsium douglasii var. douglasii

Cirsium douglasii DC. var. douglasii

Douglas' Thistle

Asteraceae (Aster Family)

Synonym(s): Cirsium breweri var. wrangelii

USDA Symbol: CIDOD

USDA Native Status: L48 (N)

 

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Plant Characteristics

Duration: Perennial , Biennial
Habit: Herb
Size Notes: Up to about 5 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: Jun , Jul , Aug
Bloom Notes: No ray florets present, only disc florets.

Distribution

USA: CA

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Cirsium douglasii var. douglasii in USDA Plants
FNA: Find Cirsium douglasii var. douglasii in the Flora of North America (if available)
Google: Search Google for Cirsium douglasii var. douglasii

Metadata

Record Modified: 2018-12-11
Research By: CBR

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