Crotalaria sagittalis rattlebox Fabaceae CRSA; R (DeCandido 2001);

   

Crotalaria sagittalis.en.wikipedia.org

Crotalaria sagittalis.en.wikipedia.org. (Accessed 5/2014).

Crotalaria sagittalis is an annual herb to 40 cm tall, hairy. 

Leaves alternate, simple, to 8 cm long, 1.5 cm wide, linear to lance-shaped, hairy on both sides; stipules arrow-shaped, extending down stem from leaf base (Newcomb 1977). 

Flowers yellow to 1.2 cm, pea-flower-shaped, calyx hairy to 0.9 cm, in unbranched clusters of 2-4, in axils, June-Sept. 

Crotalaria sagittalis.discoverlife.org.bing.com

Crotalaria sagittalis.discoverlife.org.bing.com (Accessed 2/2015).

Fruit dry pods to 3 cm, oblong, inflated, black, rattling in wind. 

Wetland status: UPL. 

Origin: Native. 

Frequency in NYC: Rare (NYS S1, E). 

Origin: Native. 

Habitat: Dry, sandy soil.