Flora of North America species comparison

prostrate to ascending, 0–11 cm, internodes often concealed by white-hairy stipules and dense white hairs, villous-tomentulose.

obscured by stipules.

2–15 cm;

stipules sometimes shortly connate-sheathing at proximal nodes, 1.5–5.5 mm, submembranous becoming papery-scarious;

leaflets 13–25, blades elliptic or ovate, 2–16 mm, apex usually acute, sometimes obtuse, surfaces silvery-villous.

3.5–11.5 cm;

stipules distinct, 3–11 mm, papery-membranous;

leaflets (7–)11–19, blades obovate, obovate-cuneate, rhombic, or broadly oblanceolate, 4–13 mm, apex subacute, obtuse and apiculate, or obtuse, surfaces pilose abaxially, glabrous adaxially.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

10–30-flowered, flowers in compact cluster, ascending to spreading becoming declined proximally;

axis not elongating in fruit;

bracts 3–8.5 mm;

bracteoles 0–2.

0.5–15 cm.

scapiform, incurved-ascending, 4.5–15(–20) cm.

1–3 mm.

0.4–1 mm.

18–26 mm;

calyx cylindric, 8.3–18 mm, villous, tube 6.5–13.5 mm, lobes subulate, 1.5–5.7 mm;

corolla often pink-purple, sometimes pale;

banner recurved through 40°;

keel concealing style, 14.6–18.6(–19) mm.

9.5–11.4 mm;

calyx campanulate, 5.9–8.2 mm, sparsely hirsute, tube 3.4–5.2 mm, lobes lanceolate-linear to setaceous, 1.9–3 mm;

corolla dull reddish purple, keel maculate;

banner recurved through 45°;

keel 7.9–9.1 mm, apex blunt.

ascending, brightly purple-mottled, usually curved, obliquely ovoid-oblong, dorsiventrally compressed, ventrally grooved proximally, 15–35 × 5.5–12 mm, unilocular, fleshy becoming somewhat woody, strigose or villosulous.

in oblong or globose, headlike clusters, spreading and ascending, green or purple-tinged becoming stramineous or brownish, plumply ovoid or subglobose, terete or somewhat laterally compressed, 5–7 × 4–4.5 mm, thinly fleshy becoming stiffly papery, sparsely long-hirsute.

24–30.

8–12.