Amorpha fruticosa Linnaeus. Tall Indigo-bush. Phen: Apr-Jun; Jun-Oct. Hab: Riverbanks, forests, woodlands, marsh edges, sometimes in disturbed sites. Dist: NB west to WA, south to s. FL, TX, s. CA, and Mexico (BCN, CHH, SON). Considered adventive in the ne. US and Great Lakes region.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, Fl3, FNA11.1, G, GrPl, GW2, K1, K3, K4, Mex, Mi, NcTx, NE, NY, Pa, RAB, SE3, Tat, Tn, Va, W, WH3, Isely (1998), Wilbur (1975); > Amorpha angustifolia (Pursh) Boynton – S13; > Amorpha curtissii Rydb. – S; > Amorpha fruticosa L. – S, S13; > Amorpha fruticosa L. var. angustifolia Pursh – F, Il, Tx; > Amorpha fruticosa L. var. croceolanata (P.Watson) Mouill. – F, Il, Tx; > Amorpha fruticosa L. var. fruticosa – F, Il, Tx; > Amorpha fruticosa L. var. oblongifolia E.J.Palmer – F; > Amorpha fruticosa L. var. occidentalis (Abrams) Kearney & Peebles – Tx; > Amorpha fruticosa L. var. tennesseensis (Shuttlew.) E.J.Palmer – F; > Amorpha montana Boynton; > Amorpha tennesseensis Shuttlew. – S, S13; > Amorpha virgata Small – S, S13

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW
• Eastern Mountains and Piedmont: FACW
• Great Plains: FACW
• Midwest: FACW
• Northcentral & Northeast: FACW

Heliophily ⓘ: 6