Baptisia tinctoria (Linnaeus) Ventenat. Honestyweed, Rattleweed. Phen: Apr-Aug; Jul-Nov. Hab: Longleaf pine sandhills, pine flatwoods, xeric oak and pine woodlands, ridges, woodland edges, cobblebars, and roadbanks. Dist: S. ME, s. NH, s. VT, NY, s. ON, s. MI, s. WI, and se. MN south to GA, sc. TN, and s. IA.

ID notes:The most widespread and common of our species of Baptisia, B. tinctoria is readily recognizable from its small, yellow flowers, small leaflets, and small fruits.

Origin/Endemic status: Native

Taxonomy Comments: The taxa synonymized need further investigation.

Synonymy: = C, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, SE3, Tn, Va, W, Isely (1981), Isely (1998), Mendenhall (1994a), Mendenhall (1994b), Turner (2006a); > Baptisia gibbesii Small – S; > Baptisia tinctoria (L.) Vent. – S; > Baptisia tinctoria (L.) Vent. var. crebra Fernald – F, Il, Larisey (1940a); > Baptisia tinctoria (L.) Vent. var. projecta Fernald – F, G, Larisey (1940a); > Baptisia tinctoria (L.) Vent. var. tinctoria – F, G, Larisey (1940a)

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