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Cirsium engelmannii (Engelmann's thistle)
Loveless, Brenda K.

Cirsium engelmannii

Cirsium engelmannii Rydb.

Engelmann's Thistle

Asteraceae (Aster Family)

Synonym(s): Cirsium altissimum var. filipendulum, Cirsium filipendulum, Cirsium terraenigrae

USDA Symbol: CIEN2

USDA Native Status: L48 (N)


From the Image Gallery

20 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial , Biennial
Habit: Herb
Root Type: Tap
Leaf Shape: Elliptic , Ovate
Leaf Margin: Pinnatifid
Size Notes: Up to about 6 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: Pink , Purple
Bloom Time: May , Jun , Jul


USA: AR , LA , OK , TX

Value to Beneficial Insects

Special Value to Native Bees
Special 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.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2022-12-05
Research By: DEW

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