Flora of North America species comparison

erect or ascending, many stems from ground, much-branched distally, stems angled, 5–20 dm.

erect, arching, branched, 3–10 dm.

6–11 cm;

stipules narrowly triangular, attenuate, 5–6 mm;

petiole 10–20 mm;

stipels 0.5–1.5 mm;

petiolules 0.5–1.5 mm;

leaflets 9–17, opposite, blades elliptic or oblanceolate, 15–20(–40) × 5–10(–15) mm, base cuneate, apex acute, mucronate, surfaces strigose, abaxially sometimes glabrate.

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.

20–30+-flowered, dense, 3.5–5.5 cm.

40–60+-flowered, dense, 7–8.5 cm.

0.5 cm.

2–3 cm.

1 mm.

3–5 mm, glabrous.

5–6 mm;

calyx 1.5–2 mm, lobes deltate to lanceolate;

corolla greenish yellow, orange, or purple-pink.

12–14(–18) mm;

calyx 2.5–4 mm, lobes triangular;

corolla usually pink, rarely white.

dark brown, reflexed, cylindric, strongly curved, 15–20 mm, leathery, base not bulbous or reddish, strigose to glabrate.

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

4–6, reddish brown, cuboid.

8–12, reddish brown, ellipsoidal.

= 16, 32.

= 16.