Flora of North America species comparison

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

prostrate, 3–12 cm, (0–)1–8 cm underground, pilosulous.

(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.

1–3 cm;

stipules connate-sheathing and papery at proximal nodes, distinct and submembranous at distal nodes, 1–2.5 mm;

leaflets 7–19, blades oval to obovate, 1–5 mm, apex retuse, surfaces strigulose, sometimes glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

2–6-flowered, flowers spreading;

axis 0.2–0.8 cm in fruit;

bracts 0.8–1.2 mm;

bracteoles 0.

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

incurved-ascending, 0.3–2.2 cm.

1.5–5 mm.

1.4–2.5 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.

6.8–8.5 mm;

calyx purplish, campanulate, 3.5–4.2 mm, pilosulous, tube 2.3–3 mm, lobes subulate, 1–1.4 mm;

corolla whitish, faintly suffused with pink or purple;

banner abruptly recurved through 80°;

keel 4.8–5 mm, apex round or narrowly triangular and beaklike.

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.

ascending to declined, purple-mottled, ovoid, bladdery-inflated, 10–23 × 8–14 mm, thin, translucent, strigose;

gynophore 0.1–0.8 mm.

6–10.

18–20.

= 16.