Flora of North America species comparison

erect to procumbent, branched, 3–5 dm;

from stout rootstock.

erect, diffusely branched, 3–15 dm.

2.5–4.5 cm;

stipules subulate, 5–8 mm;

petiole 0.4–0.6 cm;

stipels absent;

petiolules 0.5–1 mm;

leaflets (3 or)5–9, usually opposite, rarely subopposite, blades obovate, 18–25 × 5–7 mm, terminal leaflet equal to or slightly larger than laterals, primarily wider distally, base cuneate, apex acute, mucronate, surfaces strigose abaxially, glabrous or glabrate adaxially.

2.5–9 cm;

stipules linear-triangular, 1–2 mm;

petiole 0.3–1.5 cm;

stipels 0.5 mm;

petiolules 1.3 mm;

leaflets 13–19, opposite, blades elliptic to obovate-oblong, sometimes folded, 20–30 × 2–5 mm, base cuneate, apex broadly rounded or truncate, mucronate, surfaces strigose and pale abaxially, glabrate adaxially.

20–30+-flowered, lax, 3–10 cm.

20–35+-flowered, lax, 2.5–11 cm.

2–5 cm.

0.8–1.2 cm.

1–1.5 mm.

1–2 mm.

8–10 mm;

calyx 3–4 mm, lobes narrowly long-triangular;

corolla reddish.

4.5–5.2 mm;

calyx 1.5–2 mm, lobes broadly triangular;

corolla orange-mauve or pinkish.

gray-brown, deflexed, cylindric, straight, 18–27 mm, leathery, glabrate.

brown, divergent or deflexed, ellipsoidal, straight, 3–3.5 mm, leathery, glabrate.

7 or 8, yellowish green becoming brown in age, often with brown mottling, cuboid.

1, brown, bluntly ellipsoidal.

= 32.