Flora of North America species comparison

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

erect-ascending, 1–8 cm underground, strigulose.

(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.

3.5–6.5 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 1.5–4.5 mm;

leaflets 5 or 7(or 9), blades linear, 8–28 mm, apex acute, surfaces strigose;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

5–19-flowered, flowers ascending;

axis 3–10.5(–13.5) cm in fruit;

bracts 0.3–0.8 mm;

bracteoles 0.

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

1.2–12 cm.

1.5–5 mm.

2–2.5 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.

4.3–6.1 mm;

calyx campanulate, 1.8–3 mm, strigose, tube 1.2–1.8 mm, slightly expanding in fruit, lobes triangular, 0.6–1 mm;

corolla whitish, faintly suffused with purple, keel maculate.

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.

declined, straight or slightly curved, ellipsoid to oblong, strongly laterally compressed, 9–12 × 2.5–3 mm, glabrous;

stipe 0–0.2 mm.

6–10.

4–5.

= 16.