Flora of North America species comparison

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

erect or ascending, very sparsely 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.

sometimes unifoliolate distally, 3–8.5 cm;

stipules shortly connate-sheathing and scarious at proximal nodes, connate or distinct and herbaceous at distal nodes, 2–8 mm;

leaflets (1 or)5–15, blades linear-oblong, oblanceolate, or filiform, 6–40 mm, apex obtuse to acute, surfaces glabrous or sparsely strigulose abaxially, glabrous adaxially;

terminal leaflet decurrent, 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.

12–25-flowered, flowers spreading-declined;

axis 2.5–10 cm in fruit;

bracts 1–3.5 mm;

bracteoles 1 or 2.

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

erect, (6–)8–14 cm.

1.5–5 mm.

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.

17–23 mm;

calyx 8.5–12 mm, strigulose, tube 7–10 × 3.5–4.7 mm, lobes triangular-subulate, 0.8–2 mm;

corolla white;

keel 12.3–14.8 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.

pendulous, green-stramineous, straight or slightly incurved, linear-ellipsoid, strongly laterally compressed, 25–45 × 3–4 mm, fleshy becoming stiffly papery, glabrous;

stipe 2–6.5 mm.

6–10.

12–17.

= 16.