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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 horridulum var. horridulum  (Horrid thistle)
Marcus, Joseph A.

Cirsium horridulum var. horridulum

Cirsium horridulum Michx. var. horridulum

Horrid Thistle, Yellow Thistle

Asteraceae (Aster Family)

Synonym(s): Carduus pinetorum, Carduus smallii, Carduus spinosissimus, Cirsium horridulum var. elliottii, Cirsium smallii, Cirsium spinosissimum

USDA Symbol: CIHOH

USDA Native Status: L48 (N)

 

From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual , Biennial
Habit: Herb
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: White , Yellow , Purple
Bloom Time: Apr , May , Jun

Distribution

USA: AL , AR , CT , DE , FL , GA , LA , MA , MD , ME , MS , NC , NH , NJ , NY , OK , PA , RI , SC , TN , TX , VA

Additional resources

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

Metadata

Record Modified: 2019-03-18
Research By: CBR

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