Native Plants
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Cirsium undulatum var. tracyi
Cirsium undulatum (Nutt.) Spreng. var. tracyi (Rydb.) S.L. Welsh
Tracy's Thistle
Asteraceae (Aster Family)
Synonym(s): Carduus tracyi, Cirsium acuatum, Cirsium floccosum, Cirsium tracyi
USDA Symbol: CIUNT
USDA Native Status: L48 (N)
Plant Characteristics
Duration: Perennial , BiennialHabit: Herb
Size Notes: About 18-72 inches in height.
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 , VioletBloom Time: Jun , Jul , Aug
Distribution
USA: CO , UTNational Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACU | FACU | FACU |
Additional resources
USDA: Find Cirsium undulatum var. tracyi in USDA PlantsFNA: Find Cirsium undulatum var. tracyi in the Flora of North America (if available)
Google: Search Google for Cirsium undulatum var. tracyi
Metadata
Record Modified: 2015-02-10Research By: Joseph A. Marcus