Robinia viscosa is a small tree or large shrub to 5 m, twigs sticky-glandular.
Leaves alternate, pinnate, leaflets 13-25, narrowly egg-shaped to oval, stipules linear.
Flowers pink to white with a yellow spot, pea-flower-shaped, 2.5 cm.
Fruit a pod glandular-hairy-sticky.
Wetland status: NL.
Frequency in NYC: Very infrequent.
Origin: Native to mountains of PA and south.
Habitat: Escaped from cultivation.