Flora of North America species comparison

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

prostrate to decumbent, radiating, villosulous or villous.

(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.

2.5–5 cm;

stipules 2–5 mm, membranous;

leaflets (7–)11–19, blades obovate-cuneate, 3–10 mm, apex obtuse to retuse, surfaces villous abaxially, glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(7–)12–25-flowered, flowers spreading to declined;

axis 2.5–8(–11) cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

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

ascending or incurved, 2–3.5 cm.

1.5–5 mm.

0.5–1.8 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.

9–10 mm;

calyx campanulate, 3.8–4.7 mm, loosely villous, tube 2.8–3.8 mm, lobes triangular-subulate, 1–1.7 mm;

corolla reddish lilac;

banner recurved through 45°;

keel 8.5–9.3 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.

disjointing from receptacle when mature, deflexed, green or faintly mottled, incurved through 0.5+ spiral, obliquely ellipsoid to lanceoloid-ellipsoid, dorsiventrally compressed, (16–)20–30 × (4.5–)5–8 mm, semibilocular, somewhat fleshy becoming leathery, villosulous;

sessile.

6–10.

14–19.

= 16.