Flora of North America species comparison

procumbent, diffusely branched, 1–5 dm.

erect, arching, branched, 4–20 dm; rhizomatous.

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.

8–25 cm;

stipules early-deciduous, linear, 1–2 mm;

petiole 1–2.5 cm;

stipels 1.5 mm;

petiolules 1.5 mm;

leaflets 5–15[–23], usually opposite, rarely alternate or alternate proximally and opposite distally, blades ovate-lanceolate, ovate-oblong, or lanceolate, 20–75(–100) × 10–35 mm, base cuneate to broadly cuneate, apex usually acuminate, acute, rarely obtuse and mucronate, surfaces glabrous or pubescent.

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

8–15-flowered, lax, 7–8.5 cm.

1.5–8 cm.

2–4 cm.

1 mm.

3 mm.

7–12 mm;

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

corolla brick red, salmon pinkish, or salmon orange.

12–18 mm;

calyx 2.5–3.5 mm, lobes triangular;

corolla usually light purple or pink, rarely white.

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

brown, pendulous, cylindric, straight, 25–65(–80) mm, leathery, glabrous.

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

7 or 8, brown, ellipsoidal.

= 32.

= 48.