Flora of North America species comparison

usually prostrate or weakly ascending, sometimes erect, 0–20 cm, internodes often concealed by stipules, densely strigose-strigulose.

prostrate to decumbent, (0–)2–9(–12) cm underground, strigose-strigulose, villous-hirsute, or villosulous.

2–13 cm;

stipules sometimes connate-sheathing at proximal nodes, 2–13 mm, submembranous becoming papery;

leaflets (1–)5–21, blades elliptic to obovate or oblanceolate, 3–20 mm, apex obtuse to acute, surfaces strigose.

1–4.5(–5.5) cm;

stipules usually connate-sheathing at proximal nodes, sometimes distinct throughout, 1–4.5(–5) mm, papery-scarious at proximal nodes, thinly herbaceous at distal nodes;

leaflets (3–)7–13, blades oblanceolate- or obovate-cuneate, 2–12 mm, apex retuse or truncate and apiculate, surfaces villous abaxially, sparsely so adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

(2 or)3–13-flowered, flowers spreading;

axis (0.2–)0.4–1.2 cm in fruit;

bracts 0.8–2.4 mm;

bracteoles 0.

ascending, (1–)2–15(–20) cm.

incurved-ascending, 0.4–2.5 cm.

0.6–2.5 mm.

0.7–1.8 mm, disjointing in age.

10.3–27(–28) mm;

calyx usually purplish, cylindric, campanulate, or cylindro-campanulate, 6.3–14.2 mm, strigose, tube (3.4–)5.8–13.2 mm, lobes subulate, 1.1–3.7(–4.5) mm;

corolla usually pink-purple, rarely white;

banner recurved through 40°;

keel 8–23.6 mm.

(5.2–)6–8.5 mm;

calyx shallowly campanulate, 3.2–5.8(–6.2) mm, villous or villosulous, tube 1.3–2.6 mm, lobes linear-lanceolate or setaceous, (1–)1.4–3.6 mm;

corolla whitish or yellowish, banner and keel tips with lilac veins;

banner abruptly recurved through 90–100°;

keel 3.4–5.3 mm, apex bluntly triangular, obscurely beaklike.

readily deciduous, ascending, green, sometimes mottled, usually incurved, crescentic, mostly dorsiventrally compressed, 15–40 × 5–12 mm, unilocular, distinctly beaked, fleshy becoming stiffly leathery or subligneous, walls much less than 1 mm thick, strigose.

spreading or declined (often humistrate), pale green or minutely purple-dotted becoming stramineous, straight or slightly incurved, semi-ovoid or ovoid-ellipsoid, bladdery-inflated, somewhat dorsiventrally compressed, 8–20 × (5–)6–11(–13) mm, unilocular or subunilocular, papery-membranous, sparsely long-villous or villosulous.

42–70.

(3–)5–9.