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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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Xanthium strumarium var. glabratum

Xanthium strumarium L. var. glabratum (DC.) Cronquist

Rough Cocklebur

Asteraceae (Aster Family)

Synonym(s): Xanthium americanum, Xanthium calvum, Xanthium chasei, Xanthium chinense, Xanthium curvescens, Xanthium cylindraceum, Xanthium echinellum, Xanthium globosum, Xanthium inflexum, Xanthium macrocarpum var. glabratum, Xanthium occidentale, Xanthium orientale, Xanthium strumarium var. wootonii, Xanthium strumarium var. wootonii, Xanthium wootonii

USDA Symbol: XASTG

USDA Native Status: L48 (N), PR (N), VI (N), CAN (N)

 

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Plant Characteristics

Duration: Annual
Habit: Herb
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: White , Green
Bloom Time: Jul , Aug , Sep , Oct

Distribution

USA: AL , AR , CA , CT , DC , DE , FL , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , MI , MN , MO , MS , NC , NE , NJ , NM , NY , OH , OK , OR , PA , RI , SC , TN , TX , VA , VT , WA , WI , WV
Canada: BC , ON , QC , SK

Web Reference

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

Additional resources

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

Metadata

Record Modified: 2019-05-17
Research By: CBR

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