Flora of North America species comparison

procumbent, diffusely branched, 1–5 dm.

erect or sprawling, unbranched or branched, 3–10 dm.

1–3.5 cm;

stipules subulate, 1–7 mm;

petiole 0.5–8 cm;

stipels absent or of reddish hairs;

petiolules 1 mm;

leaflets (3 or)5–11(–17), usually alternate, rarely opposite, blades oblanceolate, obovate, or narrowly elliptic, 5–25 × 5 mm, similar in size within a leaf, base cuneate, apex acute or truncate, ± mucronate, surfaces glabrous or adaxially glabrate to densely pubescent.

4–12.5 cm;

stipules narrowly subulate, 10–13 mm;

petiole 0.8–1.2 cm;

stipels 1–3 mm;

petiolules 1.5–2 mm;

leaflets 3–7(or 9), opposite, blades elliptic to obovate, 15–60 × 7–25 mm, base cuneate, apex rounded, short-mucronate, surfaces pubescent.

2–20-flowered, dense or lax, 1.5–9 cm.

10–20+-flowered, dense, 6–20 cm.

1.5–8 cm.

4–9 cm.

1 mm.

1–2 mm.

7–12 mm;

calyx 4–6 mm, lobes usually long-subulate, sometimes triangular;

corolla brick red, salmon pinkish, or salmon orange.

6–7 mm;

calyx 3.5–5 mm, lobes setaceous, bristly-plumose;

corolla salmon red to maroon.

brown, irregularly spreading or deflexed, cylindric, straight, 10–40 mm, leathery, densely sericeous.

dark brown, deflexed, cylindric, straight, 15–22 mm, leathery, hispid.

2–8, usually brown, sometimes lighter and brown-speckled, cuboid.

6–8, greenish, cuboid.

= 32.

= 16.