Native Plants
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Cirsium occidentale var. occidentale
Cirsium occidentale (Nutt.) Jeps. var. occidentale
Cobwebby Thistle
Asteraceae (Aster Family)
Synonym(s): Cirsium coulteri
USDA Symbol: CIOCO
USDA Native Status: L48 (N)
Plant Characteristics
Duration: BiennialHabit: Herb
Size Notes: Usually up to about 5 feet tall, sometimes taller.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: PurpleBloom Time: Mar , Apr , May , Jun , Jul
Distribution
USA: CAValue to Beneficial Insects
Special Value to Native BeesSpecial Value to Bumble Bees
Provides Nesting Materials/Structure for Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Cirsium occidentale var. occidentale in USDA PlantsFNA: Find Cirsium occidentale var. occidentale in the Flora of North America (if available)
Google: Search Google for Cirsium occidentale var. occidentale
Metadata
Record Modified: 2022-12-23Research By: TWC Staff