Flora of North America species comparison

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

erect or ascending, current season stems 3–10 cm underground, strigulose or villosulous.

(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.

3–8 cm;

stipules 1–3 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflet blades obovate-cuneate, 4–12 mm, apex obtuse, retuse, or obcordate, surfaces strigulose or villosulous abaxially, strigose to glabrescent adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

9–15-flowered;

axis 3–8 cm in fruit;

bracts 1 mm;

bracteoles 0.

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

erect or divaricate-ascending, 1–6.5 cm.

1.5–5 mm.

1–1.5 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.

14–17 mm;

calyx 5–6.5 mm, strigose, tube 5–6 mm, marcescent, lobes triangular, 0.5–0.9 mm;

corolla keel 12–13 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.

pale green sometimes mottled becoming stramineous, coiled through 1.5–2 spirals into a closed ring, 3.5–4 mm wide, scarcely fleshy becoming stiffly papery, sparsely villous;

stipe 10–15 mm.

6–10.

= 16.