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Branching shrub to 4 m; foliage not blackening in drying; petioles 2–5 cm; lfls 4–10+ pairs, green but not shining, 2–4 cm, usually sparsely short-hairy beneath; petiolules almost always pubescent; racemes (1)2–several, 6–20 cm; cal-tube 2–3 mm, the upper 4 lobes 0.5 mm, broadly triangular to half-orbicular, the lowest one somewhat longer and narrower; banner 5–6 mm; fr 5–9 × 2–4.5 mm, strongly glandular, the upper margin usually strongly bulged upward; 2n=40. Moist woods and stream-banks; N.H. to Minn. and s. Sask., s. to Fla., Tex., s. Calif., and n. Mex. May, June. Variable, but not clearly divisible. (A. croceolanata, a southern phase with loose, often tawny or orange pubescence)
A shrub. It loses its leaves during the year. It can grow 2-6 m tall. The leaves are 15-30 cm long with 11-25 leaflets. These are 1-4 cm long and oval. The flowers are in a group at the end. These are 8-15 cm long. The fruit is 8-10 mm long.
