Flora of North America species comparison

erect or ascending, (0–)1–12+ cm underground, villous.

erect, 3–10 cm underground, cinereous.

(2–)3–12 cm;

stipules distinct, subterranean ones often fully amplexicaul but distinct, 7–15 mm, foliose at distal nodes;

leaflets (5–)7–13(–15), blades elliptic, oblong or lanceolate-elliptic, 10–30(–35) mm, pinnately veined, apex obtuse to rounded, surfaces sparsely villosulous or villous abaxially, glabrous adaxially.

(1–)1.5–5 cm;

stipules 0.5–2.5 mm, papery-scarious at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–21, blades narrowly or broadly obovate, 1–7 mm, apex retuse or obcordate, surfaces strigose, sometimes adaxially glabrescent.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

5–14+-flowered;

axis 1–5 cm in fruit;

bracts 0.5–1 mm;

bracteoles 0.

erect, 3–9.8 cm, usually longer than subtending leaf.

divaricate, often hanging below subtending leaf, 1–3.5 cm.

1.5–5 mm.

1–2 mm.

13–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, villosulous, tube 6.3–8 mm, lobes broadly triangular, 0.6–0.8 mm;

corolla yellowish with whitish margins, banner sometimes purple bordered white, keel 13.2–16 mm.

7–8.2 mm;

calyx 2.5–3 mm, villosulous, tube 2–2.5 mm, not marcescent, lobes triangular, 0.5–0.7 mm;

corolla pale lilac, or whitish to yellowish and veined and suffused with lilac, keel tip maculate;

keel 4.6–5.3 mm.

green becoming brown, ± straight, ovoid, inflated, 15–21 × 5.5–8 mm, papery-membranous, black-pilose, hairs to 0.5 mm;

stipe 5–7 mm, pubescent.

pendulous, stramineous, strongly curved or coiled through (1–)1.5–2 spirals, narrowly oblong, 3–4 mm wide, papery, villosulous;

stipe 2–9 mm.

6–10.

10–16.

= 16.