Contains 3 accepted taxa overall.

Characteristics
Amorpha L.
FALSE INDIGO
Classification
FABALES
Amorpha
Citation
AMORPHA Linnaeus, Sp. Pl. 713. 1753.
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TYPE: Amorpha fruticosa Linnaeus
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Amorpha fruticosa BASTARD FALSE INDIGO Native FACW (NWPL) T (WAP) FACW (DEP)
Amorpha herbacea var. crenulata MIAMI LEAD PLANT Native Endemic Endangered-State Endangered-US
Amorpha herbacea var. herbacea CLUSTERSPIKE FALSE INDIGO Native FAC (NWPL)
[Family identification key]
1.  Erect shrub 1-4 m tall; petiole and rachis eglandular or sparingly glandular; petiole usually longer than the width of the proximal leaflet; leaflets 9-31, eglandular to inconspicuously or conspicuously glandular, the midvein often exserted (0.1-)0.5-1.5 mm and tapered to slightly swollen at the tip; corolla usually purple to indigo; style ascending pilose; fruit (2-)3-4.5 mm wide, 5-9 mm long
1.  Erect shrub 0.3-1.5 m tall; petiole and rachis glandular, more densely so near the base of the petiole; petiole usually shorter than the width of the proximal leaflet; leaflets 15-63, conspicuously glandular with 40-225(-425) glands per half-leaflet, the midvein often exserted 0-0.5(-0.8) mm and globose-glandular at the tip; corolla usually white, rarely purplish; style retrorsely pubescent; fruit 1.8-2.5 mm wide, 4-6.5 mm long
2
2.  Leaflets usually 1.8-3 times long as wide, entire to subcrenulate, the petiolule 1-1.5 mm long
2.  Leaflets mostly 2.8-3.5 times long as wide, usually crenulate and revolute, the petiolule usually 1.5-2 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Monosemeion Monosemeion Rafinesque, Autik. Bot. 82. 1840. TYPE: Monosemeion obliquatum Rafinesque