Flora of North America species comparison

prostrate, solid, hirsute.

prostrate, solid, strigulose or hirsute.

stipules spreading, ovate-lanceolate, 2.3–6.2 × 1.5–2 mm;

petiole 2–5 cm, hirsute;

rachis 5–7 mm;

stipels subulate or linear, 1–2.5 mm;

leaflets leathery, blades linear, base rounded or cuneate, margins entire, apex acute, surfaces densely hispid abaxially, glabrescent adaxially;

lateral blades 3.8–4.5 × 0.9–1.1 cm, terminal blades 2.5–4.2 × 0.5–0.8 cm.

stipules spreading, widely deltate or ovate, 4.5–8 × 2–2.7 mm;

petiole 1.7–6 cm, strigose or hirsute;

rachis 5–9 mm;

stipels subulate, 1–5.5 mm;

leaflets papery, blades orbiculate, ovate to broadly ovate or obovate, base attenuate or cuneate, apex acute or obtuse, surfaces strigose abaxially, hirtellous adaxially;

lateral blades 2–4.3 × 1.6–2.9 cm, sometimes 2-lobed, terminal blades 2.3–4.7 × 1.6–2.8 cm.

11–15 cm, (cleistogamous inflorescence above soil, 3.9–6.3 mm, flowers 6 mm, corolla whitish), axes glabrous;

tufts of bracts at base of peduncle mostly caducous;

extrafloral nectaries inconspicuous at nodes;

bracts and bracteoles subulate.

14–25 cm (cleistogamous inflorescence over soil, 1.5–2.2 mm, flowers 3.5 mm, corolla whitish), axes adpressed-pilose;

tufts of bracts at base of peduncle mostly caducous;

extrafloral nectaries inconspicuous at nodes;

bracts and bracteoles subulate or lanceolate.

0.6 mm.

0.7–1 mm.

0.9 cm;

calyx campanulate, 2–2.3 mm, hirsute or glabrescent, calyx lobes as long as the tube or longer;

corolla red;

banner obovate, 5.3 × 5 mm;

wings oblong-ovate, 8.1–8.9 × 3.2–5.4 mm;

keel 6.2 mm;

ovary nectary disc distally even;

ovules 4.

1 cm;

calyx campanulate, 3.5–4.5 mm, hirtellous, calyx lobes as long as tube or longer;

corolla salmon-orange;

banner orbiculate, 5.5–7.5 × 4.5–6.5 mm;

wings oblong-ovate, 5.1–10 × 3.3–6.6 mm;

keel 4–8 mm;

ovary nectary disc distally even;

ovules 6.

pendent, oblong-falcate, 1 × 0.2–0.3 cm, valves not twisting at dehiscence.

pendent, oblong-falcate, 1.6–2.5 × 2.7–3 cm, valves not twisting at dehiscence.

2 or 3 (or 4), reniform, 1.7–2.3 × 1.2–3.5 mm.

4 or 5, oblong, 2.9–3 × 2–2.2 mm.