Amorpha fruticosa is a colonial shrub to 4 m tall, branching.
Leaves alternate, pinnate, leaflets 4-10 (or more) pairs, oblong, to 4 cm, dull green, tip rounded, slightly hairy below, leaf stalk to 5 cm, leaflet stalks very short, hair.
Flowers purple, to 0.6 cm, one petal, folded, in narrow, unbranched, dense clusters 6-20 cm long, May-June.
Fruit pods to 0.9 x 0.4 cm ripening Aug., 1-seeded, dispersed by animals.
Wetland status: FACW.
Frequency in NYC: Infrequent.
Origin: Native N. & W of NYC.
Habitat: Moist to wet, open, disturbed, areas. Often near the shore.