Flora of North America species comparison

erect, diffusely branched, 3–15 dm.

erect to spreading or ascending-spreading, branched, wiry, 3–7 dm.

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.

1.5–3.5 cm;

stipules subulate, 3–5 mm;

petiole 0.5–1 cm;

stipels absent;

petiolules 1 mm;

leaflets 1 (proximal leaves) or 3 (distal leaves), opposite, blades broadly to narrowly elliptic, 5–45 × 3–15 mm, terminal leaflet 2–3 times larger than laterals, base cuneate, apex acute, short-mucronate, surfaces sericeous, hairs spreading, one arm much longer than other.

20–35+-flowered, lax, 2.5–11 cm.

1–3-flowered, lax, 1–2 cm.

0.8–1.2 cm.

filiform, 0.5–1.5 cm.

1–2 mm.

1.5 mm.

4.5–5.2 mm;

calyx 1.5–2 mm, lobes broadly triangular;

corolla orange-mauve or pinkish.

5 mm;

calyx 2–3 mm, lobes linear-subulate;

corolla salmon reddish.

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

brown, spreading to strongly ascending, cylindric, straight, 15–22 mm, leathery, hirsute, glandular.

1, brown, bluntly ellipsoidal.

3–6, yellowish brown, cuboid.

= 32.