Flora of North America species comparison

erect or ascending, sparsely strigulose.

weak, reclining or scrambling through low shrubs, 1–4 cm underground, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

2.5–5 cm;

stipules 2–3.5(–5) mm, papery at proximal nodes, herbaceous at distal nodes;

leaflet blades linear, linear-oblong, or lanceolate to subfiliform, 3–15(–20) mm, apex acute to obtuse, surfaces strigulose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

5–15-flowered;

axis 1.5–7 cm in fruit;

bracts 1.3–2 mm;

bracteoles 1 or 2.

(2–)4–11 cm.

divaricate and incurved-ascending, 3–8 cm.

0.6–1.5 mm.

0.7–2.2 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

(6.5–)7–10 mm;

calyx (3.6–)4–5.6 mm, strigose, tube 2.5–3.8 mm, lobes subulate, (1.1–)1.7–2.2 mm;

corolla keel 6.4–8.5 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

reddish or green and red-mottled, becoming brown, 16–23 × 3.5–5 mm, leathery or stiffly papery, glabrous;

septum 3–4.5 mm wide;

stipe 3–5 mm.

12–16.