Vicia americana Muhlenberg ex Willdenow var. americana . American Vetch, Purple Vetch. Phen: May-Aug. Hab: Dry rocky or shaly woodlands, forest edges, riverside scours and prairies. Dist: Var. americana ranges from QC west to AK, south to w. VA, s. WV, MO, OK, TX, Mexico. The reports for AL (Woods & Diamond 2006) and w. NC (Kartesz 2020) are based on misidentifications.
Origin/Endemic status: Native
Taxonomy Comments: Var. minor Hooker occurs in w. North America.
Synonymy: = C, G, GrPl, NY, SE3, Tx, Va, Isely (1998); = Vicia americana Muhl. ex Willd. ssp. americana – K1, K3, K4; < Vicia americana Muhl. ex Willd. – Il, Mex, Mi, Pa, W, WV; > Vicia americana Muhl. ex Willd. var. americana – F; > Vicia americana Muhl. ex Willd. var. truncata (Nutt.) S.Watson – F
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