Flora of North America species comparison

procumbent, diffusely branched, 1–5 dm.

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

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.

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

20–30+-flowered, dense, 3.5–5.5 cm.

1.5–8 cm.

0.5 cm.

1 mm.

1 mm.

7–12 mm;

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

corolla brick red, salmon pinkish, or salmon orange.

5–6 mm;

calyx 1.5–2 mm, lobes deltate to lanceolate;

corolla greenish yellow, orange, or purple-pink.

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

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

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

4–6, reddish brown, cuboid.

= 32.

= 16, 32.