Flora of North America species comparison

erect, to 3 m, glabrous or glandular-hispid, hairs bulbous-based.

5–12 cm;

stipules peltate, 10 × 2–3 mm, apex acute;

leaflets (25–)30–55, blades 1-veined, nearly symmetric, oblong, 8–20 × 4–5 mm, margins usually entire, rarely with scattered, tuberculate hairs, apex obtuse, surfaces glabrous.

1–5-flowered, racemes, axis hispid.

calyx 5–8 mm, bilabiate, abaxial lip 3-dentate, adaxial lip shallowly 2-lobed, glabrous;

corolla yellowish, usually with reddish markings, 10–15 mm, banner glabrous, margins sparsely ciliate;

gynophore (10–)12–25 mm, continuous with proximal segment, glabrous or somewhat hispid.

brown, 4.5–6 × 3 mm.

abaxial margin crenate, adaxial margin ± straight, sutures between segments well developed, margins not separating from valves;

segments 3–10, subquadrate, 4.5–7 × 4.5–7 mm, reticulate venation moderately conspicuous, center of each usually verrucose, faces sparsely hispid or glabrescent, hairs eglandular, sometimes bulbous-based.

= 40.