Robinia viscosa Michx. ex Vent.

Large shrub or tree to 5(–12) m, the twigs and peduncles viscid with numerous large, sessile or subsessile glands; stipules usually setaceous; lfls 13–25, lance-ovate to oval; fls crowded in short suberect racemes, pink with a yellow spot on the standard, 2.5 cm; cal finely hairy, the upper lip cleft into 2 sharp triangular lobes shorter than the body of the lip; fr hispid with stipitate-glandular hairs; 2n=20. Native in mt. woods from Pa. to Ala., but found along roadsides as an escape from cult. nearly throughout our range. June. Ours is var. viscosa.

Dry open woodland and hillside scrub; at elevations up to 1,200 metres.

Can be grown by seedlings. Seeds needs soaking.