Flora of North America species comparison

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

prostrate, often mat-forming, branching freely, 1–3 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.

1–7.5 cm;

stipules deltate to lanceolate, 5–7(–9) mm;

petiole 0.1–0.2 cm;

stipels absent or of a few hairs;

petiolules 1 mm;

leaflets 3–9, alternate, blades obovate to broadly oblanceolate, 5–30 × 2–18 mm, terminal leaflet usually larger than laterals, base cuneate, apex rounded to truncate, surfaces strigulose abaxially, glabrous adaxially.

20–30+-flowered, dense, 3.5–5.5 cm.

20–40+-flowered, dense, 4–9 cm.

0.5 cm.

0.5–1 cm.

1 mm.

0.5–1 mm.

5–6 mm;

calyx 1.5–2 mm, lobes deltate to lanceolate;

corolla greenish yellow, orange, or purple-pink.

6–8 mm;

calyx 2.5–4 mm, lobes subulate;

corolla pinkish salmon to pale carmine.

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

brown, deflexed, cylindric, straight, 10–20 mm, leathery, strigulose.

4–6, reddish brown, cuboid.

4–9, greenish, cuboid.

= 16, 32.

= 16.