Flora of North America species comparison

erect, arching, branched, 3–10 dm.

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

6–15 cm;

stipules narrowly long-triangular, attenuate, 4–6 mm;

petiole 0.1–2.5(–3) cm;

stipels 2–3 mm;

petiolules 2–2.5 mm;

leaflets (5 or)7–11, opposite, blades broadly ovate, ovate-rhombic, or elliptic, 15–40(–50) × 10–23(–30) mm, base cuneate to broadly cuneate, apex rounded to acute, surfaces appressed-pubescent, pale abaxially.

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.

40–60+-flowered, dense, 7–8.5 cm.

8–15-flowered, lax, 7–8.5 cm.

2–3 cm.

2–4 cm.

3–5 mm, glabrous.

3 mm.

12–14(–18) mm;

calyx 2.5–4 mm, lobes triangular;

corolla usually pink, rarely white.

12–18 mm;

calyx 2.5–3.5 mm, lobes triangular;

corolla usually light purple or pink, rarely white.

brown, deflexed, cylindric, straight, 35–70 mm, leathery, glabrous.

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

8–12, reddish brown, ellipsoidal.

7 or 8, brown, ellipsoidal.

= 16.

= 48.