Flora of North America species comparison

decumbent to ascending, strigulose, villosulous, glabrous, or with few scattered hairs.

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

2.5–9 cm;

stipules distinct, (1–)1.5–5 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–21(–25), blades obovate-cuneate, oblong-obovate, or elliptic to broadly oblanceolate, (7–)9–19(–21) mm, apex retuse or truncate to obtuse, surfaces strigulose or villosulous abaxially, strigose to glabrescent 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–)10–25(–35)-flowered, flowers retrorsely imbricate, ascending then nodding;

axis 2–10(–13) cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 0.

5–15-flowered;

axis 1.5–7 cm in fruit;

bracts 1.3–2 mm;

bracteoles 1 or 2.

erect or arcuate-erect, 4–15 cm.

divaricate and incurved-ascending, 3–8 cm.

1–3.5 mm.

0.7–2.2 mm.

13.5–21 mm;

calyx broadly campanulate to broadly cylindric (gibbous-saccate or gibbous-truncate), 6.1–13.6 mm, strigulose or villosulous, marcescent, tube 5.4–11.9 mm, marcescent, lobes triangular, 0.4–2.3 mm;

corolla ochroleucous, white, or lemon yellow;

banner recurved through 45°;

keel 9.4–15.2 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.

pendulous, green or purple-spotted becoming brown-stramineous, hamately or lunately incurved or, rarely, coiled through 1.5 spirals, narrowly oblong, laterally compressed, 14–35 × (2.7)3–4.5(–5.5) mm, stiffly papery or thinly leathery, usually glabrous, villosulous, or strigulose, rarely glabrate;

stipe 6–20 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.

14–25(–28).