Flora of North America species comparison

decumbent or prostrate, sparsely strigulose, sometimes glabrous proximally.

prostrate to ascending and radiating, (0.5–)2–18(–24) cm underground, frequently exceeding aerial stem length, strigulose.

(2–)4–10(–12) cm;

stipules (1.5–)2–8 mm, papery at proximal nodes;

leaflets (9–)13–25(or 27), blades firm, oval, obovate, elliptic-oblanceolate, or suborbiculate, (2–)3–11(–13) mm, veins not apparent, apex round, truncate, or retuse, surfaces sparsely strigose abaxially, glabrous adaxially.

1–5.5 cm;

stipules distinct throughout or shortly connate-sheathing at proximal nodes, 2–5 mm, subherbaceous;

leaflets closely spaced on rachis, blades obovate to elliptic or oblong, 1–12 mm, apex obtuse to retuse, surfaces gray-strigulose, sometimes glabrous adaxially.

(5–)10–21-flowered;

axis 1.5–5(–7.5) cm in fruit;

bracts 0.8–1.4 mm;

bracteoles 0–2.

(1 or)2–10-flowered;

axis 0.3–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

decumbent or prostrate, (2–)5–15 cm.

ascending, 0.5–4 cm.

0.8–2.4 mm.

1.2–3 mm.

8.2–15.5 mm;

calyx 3.1–6.3 mm, strigulose, tube 2.4–4 mm, lobes subulate, 1–2 mm;

corolla pink-purple, purplish, or whitish, fading yellowish, sometimes wing tips whitish, banner veins lilac, keel tip maculate;

banner recurved through 45°;

keel 5.5–9.3 mm, apex blunt.

9–17 mm;

calyx 4.8–10.5 mm, strigulose, tube 3.5–7.6 mm, lobes subulate, 1.2–3 mm;

corolla white or ochroleucous, or banner and wings tinged lavender, keel tip pink or purplish;

keel 7.4–13.2 mm.

usually ascending, rarely declined (humistrate), green becoming brown then blackish, incurved, narrowly lunate-ellipsoid to obliquely oblong-, ovoid-, or obovoid-ellipsoid, somewhat dorsiventrally compressed, 13–25 × 3.5–7 mm, subunilocular, thinly fleshy becoming leathery, not especially reticulate, glabrous;

gynophore 0.4–1.4 mm.

pale green and red-cheeked, 15–38 × 8–23 mm, thin becoming papery, strigose;

gynophore 1–4.5 mm.

16–37.