Flora of North America species comparison

reduced to thick crowns.

prostrate, 3–12 cm, (0–)1–8 cm underground, pilosulous.

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

1–3 cm;

stipules connate-sheathing and papery at proximal nodes, distinct and submembranous at distal nodes, 1–2.5 mm;

leaflets 7–19, blades oval to obovate, 1–5 mm, apex retuse, surfaces strigulose, sometimes glabrous adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

2–6-flowered, flowers spreading;

axis 0.2–0.8 cm in fruit;

bracts 0.8–1.2 mm;

bracteoles 0.

0.5–11 cm.

incurved-ascending, 0.3–2.2 cm.

1.4–5 mm.

1.4–2.5 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 mm.

6.8–8.5 mm;

calyx purplish, campanulate, 3.5–4.2 mm, pilosulous, tube 2.3–3 mm, lobes subulate, 1–1.4 mm;

corolla whitish, faintly suffused with pink or purple;

banner abruptly recurved through 80°;

keel 4.8–5 mm, apex round or narrowly triangular and beaklike.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

ascending to declined, purple-mottled, ovoid, bladdery-inflated, 10–23 × 8–14 mm, thin, translucent, strigose;

gynophore 0.1–0.8 mm.

27–40(–46).

18–20.