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Southeasternflora.com

Crotalaria sagittalis

Crotalaria sagittalis L.

Arrowhead Rattlebox

Fabaceae (Pea Family)

Synonym(s): Crotalaria pilosa, Crotalaria sagittalis var. blumeriana, Crotalaria sagittalis var. fruticosa

USDA Symbol: CRSA4

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

From the Image Gallery

28 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual , Perennial
Habit: Herb , Subshrub
Fruit Type: Legume
Size Notes: Up to about 16 inches tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep

Distribution

USA: AL , AR , AZ , CT , DC , DE , FL , GA , IA , IN , KS , KY , LA , MA , MD , MI , MN , MO , MS , NC , NE , NH , NJ , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , VT , WI , WV

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 80 - Illinois Wildflowers (2002) John Hilty
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2026-10-12
Research By: Joseph A. Marcus

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