Flora of North America species comparison

prostrate, when developed, 0–5 cm, mostly obscured by stipules, strigulose.

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

1.5–5 cm;

stipules connate-sheathing or distinct, 2–7 mm, membranous;

leaflets 7–17, blades elliptic to oblanceolate, 3–9 mm, apex acute to obtuse, surfaces strigose.

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.

2–8-flowered, flowers ascending;

axis 0.5–2.5 cm in fruit;

bracts 2–4 mm;

bracteoles 0–2.

(1 or)2–10-flowered;

axis 0.3–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

ascending, 0.5–5.2 cm.

ascending, 0.5–4 cm.

0.5–1.5 mm.

1.2–3 mm.

12.2–15 mm;

calyx short-cylindric, 6.1–7.7(–8.4) mm, pilose, hairs black and white, tube 5.2–6.5 mm, lobes subulate, 0.9–1.7 mm;

corolla pink-purple or bicolored;

keel 9.8–12.5 mm.

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.

declined, green, usually red-mottled or -spotted, becoming stramineous, lunately incurved, ovoid-ellipsoid, dorsiventrally compressed, 12–19 × 5–6 mm, subunilocular, thin becoming papery, long silky-pilose;

sessile, gynophore 0–0.5+ mm.

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

gynophore 1–4.5 mm.

20.