Flora of North America species comparison

prostrate, to 1.2 m, moderately white-pubescent and glandular-setose.

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

0.5–6 cm;

stipules deltate-ovate, 5–7 × 1–2.5 mm;

leaflets 5, usually folded when dry, axis recurved, blades orbiculate to elliptic, 4–20 × 4–22 mm, base obtuse to subcordate, apex obtuse to emarginate, mucronulate, surfaces puberulent to glabrate abaxially, glabrous adaxially.

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.

1–5-flowered, fasciculate.

1–8-flowered, racemes or fascicles.

3–20 mm.

5–7 mm.

calyx (3–)4–5 mm, puberulent and setose;

tube (2–)3–4 mm × 3 mm;

lobes deltate-subulate, 1 mm;

corolla (8–)10–15 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.

5 × 3 mm.

3 × 2–2.5 mm.

2–5-segmented, 20–40 mm, pubescent to glabrate;

fertile segments 7–10 × 3–7 mm, sterile segment 6–11 × 3–7 mm;

stipe 1–2 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.