Flora of North America species comparison

twining, to 1 m, moderately crisp-pubescent to glabrate, sometimes glandular-setose.

3–8 cm;

stipules lanceolate, 3–5 × 0.5–1 mm;

leaflets 5, usually not folded when dry, axis ± straight, blades elliptic to rhombic, 5–40 × 3–25 mm, base obtuse, apex acute to obtuse, mucronulate, surfaces glabrate.

1–8-flowered, racemes or fascicles.

5–7 mm.

calyx 5–7 mm, glabrous or glabrate, margins pubescent;

tube (2–)3–4 × 2–3 mm;

lobes subulate, 2–4 mm;

corolla (8–)10–12 mm.

3 × 2–2.5 mm.

2–4-segmented, 20–30 mm, pubescent to glabrate;

fertile segments 4–6 × 4–5 mm, sterile segment 10–15 × 6–10 mm;

stipe 1–2 mm.