Flora of North America species comparison

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

prostrate, 1–9 cm underground, strigulose-pilose.

(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.

2.5–6(–6.5) cm;

stipules connate-sheathing at proximal nodes, distinct or obscurely connate at distal nodes, 1–5 mm, membranous;

leaflets (9 or)11–17, blades elliptic, oblong-elliptic, or obovate, 2–8.5 mm, apex emarginate or obtuse, surfaces strigulose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(2–)4–13-flowered, flowers ascending;

axis (0.5–)1.5–9 cm in fruit;

bracts 1–2 mm;

bracteoles 0.

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

ascending, (3–)4.5–13 cm.

1.5–5 mm.

1.2–2.6 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.

9–9.8 mm;

calyx campanulate, 5.4–7.6 mm, villosulous, tube 3.4–4.6 mm, lobes subulate, 1.9–2.3 mm;

corolla yellowish, drying ochroleucous, immaculate;

banner recurved through 75°;

keel 9–9.8 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.

ascending, green and purple-mottled, incurved, lunately ellipsoid-oblanceoloid, 3-sided compressed, (13–)15–23 × 3.3–4 mm, papery, loosely strigulose-pilosulous;

valves inflexed, septum 0–0.5 mm wide; obscurely stipitate, gynophore 1–1.5 mm.

6–10.

10–12.

= 16.