Baptisia tinctoria yellow wild indigo Fabaceae BATI; Q, j; R, gr;

   

Baptisia tinctora. yellow wild indigo plants in bloom. © J. P. Krapek. Nantucket Conservation Foundation. ncfscience.files.wordpress.com

Baptisia tinctora. yellow wild indigo plants in bloom. © J. P. Krapek. Nantucket Conservation Foundation. ncfscience.files.wordpress.com (Accessed 10/2017).

Baptisia tinctoria is a perennial herb to 1 m tall, from a thick rhizome, stem freely branched. 

Baptisia tinctoria leaves and flowers. David G. Smith. Discoverlife.org

Baptisia tinctoria leaves and flowers. David G. Smith. Discoverlife.org (Accessed 10/2017).

Leaves alternate, 3-parted, leaflets 1-3 cm long, egg-shaped, tip rounded to notched. 

Flowers yellow to 0.8-1.3 cm long, pea-flower-shaped, in numerous short, unbranched clusters at tips of branches, blooming June-July. 

Baptesia tinctora fruit. B. S. Walters. Herbarium University of Michigan. michiganflora.net

Baptesia tinctora fruit. B. S. Walters. Herbarium University of Michigan. michiganflora.net (Accessed 10/2017).

Fruit dry, pods inflated to flattened, tip beaked, 0.8-1.5 cm long, 0.6-0.8 cm wide, dry pods persistent on thin, straggling winter plant, rattling when moved, leaves black when dead; dry stem tending to fall over or break off, acting as a tumble-weed to disperse seeds in winter. 

Wetland status: UPL. 

Frequency in NYC: Infrequent. 

Origin: Native. 

Habitat: Dry, open areas, sandy soil.