Flora of North America species comparison

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

decumbent to ascending or spreading, villous-tomentulose or white-pannose.

(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.

4–10 cm;

stipules 1.5–4 mm;

leaflets 21–29, blades ovate, obovate, oval, or oblong-elliptic, 2.5–15 mm, apex obtuse or emarginate, surfaces villous-tomentulose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

loosely 12–30-flowered;

axis 2.5–8 cm in fruit;

bracts 1.5–2 mm;

bracteoles 2.

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

ascending, drooping or humistrate in fruit, 4–14 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.

14.2–17.5 mm;

calyx short-cylindric, 7.5–9 mm, villous, tube 5.2–6.2 mm, lobes broadly subulate, 2.2–3.5 mm;

corolla ochroleucous, concolorous, banner veined or suffused with purple;

keel 10.2–12.9 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.

pendulous but appearing otherwise when humistrate, green-stramineous, straight or slightly incurved, lanceoloid-oblong, semi-ellipsoid, distinctly 3-sided compressed, 8–16 × 3.2–5.5 mm, leathery, villous-tomentulose;

septum 1.1–1.8 mm wide;

stipe 4–8.5 mm, pubescent.

6–10.

12–16.

= 16.