Flora of North America species comparison

prostrate to decumbent, finely cinereous, glabrous, or glabrate.

prostrate, 0–15 cm, internodes often concealed by stipules, densely white-pilose.

2–8 cm;

stipules 2–6 mm, membranous or thinly herbaceous;

leaflets (7 or)9–19(or 21), blades obovate to oblong or oblanceolate to elliptic, 3–18 mm, apex truncate to retuse, obtuse, or mucronate, surfaces sparsely strigose abaxially, usually glabrous adaxially.

2–11 cm;

stipules 2–5 mm, submembranous;

leaflets 9–21, blades obovate, suborbiculate, or lanceolate, 2–13 mm, apex obtuse to truncate or emarginate, surfaces villous.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

5–15-flowered, flowers ascending;

axis 0.5–6 cm in fruit;

bracts 3–7.5 mm;

bracteoles 0–2.

ascending or incurved, 1–4.5 cm.

erect or arcuate-ascending, spreading or procumbent in fruit, 2–8(–12) cm.

0.3–2 mm.

1–1.5 mm.

9–15.5 mm;

calyx shortly cylindric, (3.3–)5–8 mm, strigose, tube 2.6–5 mm, lobes subulate, (0.6–)1–3 mm;

corolla usually purple, lilac, or whitish, rarely cream (concolorous), sometimes keel tips purple;

banner recurved through 45°;

keel 7.5–12 mm.

16–26 mm;

calyx purplish, cylindric, 6.8–13.3 mm, villous-pilose, tube 5.5–10.8 mm, lobes subulate, 1–3.2 mm;

corolla bright pink-purple;

banner recurved through 40°;

keel (12–)13–20.7 mm.

disjointing from receptacle when mature, ascending to declined, green, often red-mottled, becoming stramineous or purplish, curved through 0.25–0.5+ spiral, obliquely lanceoloid, dorsiventrally or 3-sided compressed, (20–)25–40 × (2.5–)3–8.5 mm, unilocular to semibilocular, fleshy becoming leathery or stiffly papery, strigose;

sessile.

ascending-spreading, stramineous, incurved, oblong-ovoid, dorsiventrally compressed, 10–20 × 5–7.5 mm, unilocular, fleshy becoming leathery, hirsute, longest hairs 2–2.5 mm, not obscuring surface.

14–30.

24–34.