Flora of North America species comparison

erect, suberect, decumbent, procumbent, or twining, viscid, hirsute, hairs yellowish.

sprawling or twining, gland-dotted, rarely viscid, villous or villosulous, hairs silvery or grayish and silvery intermixed.

trifoliolate;

stipules persistent, linear to narrowly lanceolate, 3–9 × 0.5–1.5 mm, apex acute to acuminate, surfaces hirsute;

petiole 15–55 mm, hirsute;

leaflet blades lanceolate to obovate-oblong or ovate-deltate, 15–70 × 10–60 mm, membranous or leathery, gland-dotted, often viscid, base obtuse to rounded or truncate, margins ciliate, slightly revolute, apex acute to acuminate, surfaces strongly reticulate and sparsely to densely hirsute abaxially, strigulose to strigose adaxially.

trifoliolate;

stipules early deciduous, ovate or lanceolate, 4–6 × 1.5–2 mm, apex acute or acuminate, surfaces villosulous;

petiole 1–7 mm, rarely viscid, villous or villosulous;

leaflet blades obovate to ovate-lanceolate or ovate-rhombic to rhombic, 20–130 × 15–100 mm, leathery, gland-dotted, base rounded to obtuse or cuneate, apex acute to acuminate, surfaces villous or villosulous abaxially, villous or villosulous adaxially, rarely glabrescent.

racemes, equal to or longer than leaves, 2.5–20 cm.

racemes, longer than leaves, 5–30 cm.

1–3 mm.

1–2 mm.

calyx 4–7 mm, hirsute, tube 1.5–2 mm, lobes lanceolate, laterals 2–2.5 mm, lengths to 2.5 times tube, adaxials 1.5–3 mm;

corolla yellow, striped reddish brown or purple;

banner widely ovate to obovate, 7–10 × 4–5 mm, slightly apiculate, hirtellous and gland-dotted;

wings narrowly oblong, 6.5–9 × 1.5–2 mm, gland-dotted, puberulent apically;

keel 6.5–9 × 2–3 mm, glabrous;

stamens 6–9 mm.

calyx 4–5 mm, villosulous, often viscid, tube 2–2.5 mm, lobes lanceolate, laterals 2–3 mm, lengths to 2.5 times tube, adaxials 1–1.5 mm;

corolla green-yellow, streaked purple or brown;

banner orbiculate, 8–9 × 6–7 mm, emarginate, villosulous, gland-dotted;

wings oblong, 6–7 × 2–2.5 mm, often gland-dotted, puberulent apically;

keel 6–8 × 3–3.5 mm, puberulent apically;

stamens 8–9 mm.

oblong-ovoid, compressed, 16–26 × 6–8 mm, often viscid, long-hirsute to puberulent, hairs intermixed, glabrescent.

brown or greenish, widely ovoid-oblong, subinflated, constricted, 20–30 × 7–12 mm, gland-dotted, rarely viscid, densely villosulous to puberulent.

greenish brown or mottled, widely ovoid to subglobose, compressed, 4–5 × 3–4 mm.

red and black, subglobose to ovoid, plump, 5–8 × 4–6 mm.