Flora of North America species comparison

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

erect or ascending, often bushy, branched, 7–15 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.

2–8.5 cm;

stipules narrowly triangular, 0.5–1 mm;

petiole 0.5–1.3 cm;

stipels 0.5–1 mm;

petiolules 1–1.3 mm;

leaflets (7 or)9–13, ± opposite, blades obovate to oblanceolate, 8–20(–25) × 2–12 mm, base cuneate, apex broadly acute or obtuse, mucronate, surfaces strigulose, pale abaxially.

20–30+-flowered, dense, 3.5–5.5 cm.

15–40-flowered, lax, 4–12 cm.

0.5 cm.

1–2 cm.

1 mm.

1–2(–3) mm.

5–6 mm;

calyx 1.5–2 mm, lobes deltate to lanceolate;

corolla greenish yellow, orange, or purple-pink.

6–9 mm;

calyx 1.5–2 mm, lobes deltate;

corolla dark pinkish buff to ochroleucous.

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

dark brown, deflexed, ovoid or oblong, straight, 7–9 mm, woody, glabrate or sparsely strigulose.

4–6, reddish brown, cuboid.

2 or 3, yellowish tan, bluntly ellipsoidal.

= 16, 32.