Flora of North America species comparison

erect, several from rootstock, sparsely branched distally, 5–15 dm.

erect to procumbent, branched, 3–5 dm;

from stout rootstock.

8.5–10.5 cm;

stipules sometimes clusters of hairs, 0.5–2 mm;

petiole 1–1.5 cm;

stipels 0.5–1 mm;

petiolules 0.5–1 mm;

leaflets 7–15, opposite, blades obovate, narrowly or broadly oblanceolate, or elliptic, 8–16 × 4–8 mm, base cuneate, apex acute to obtuse, apiculate, surfaces densely pubescent.

2.5–4.5 cm;

stipules subulate, 5–8 mm;

petiole 0.4–0.6 cm;

stipels absent;

petiolules 0.5–1 mm;

leaflets (3 or)5–9, usually opposite, rarely subopposite, blades obovate, 18–25 × 5–7 mm, terminal leaflet equal to or slightly larger than laterals, primarily wider distally, base cuneate, apex acute, mucronate, surfaces strigose abaxially, glabrous or glabrate adaxially.

8–30+-flowered, lax, 5–12 cm.

20–30+-flowered, lax, 3–10 cm.

0.8–1.2 cm.

2–5 cm.

1 mm.

1–1.5 mm.

6–8 mm;

calyx 1.5–2 mm, lobes narrowly triangular;

corolla reddish.

8–10 mm;

calyx 3–4 mm, lobes narrowly long-triangular;

corolla reddish.

brown, divergent or reflexed, cylindric, straight or slightly curved to falcate, 18–25 mm, leathery, base bulbous and reddish, cinereous-pubescent.

gray-brown, deflexed, cylindric, straight, 18–27 mm, leathery, glabrate.

4–6, brown, cuboid.

7 or 8, yellowish green becoming brown in age, often with brown mottling, cuboid.

= 16.

= 32.