Flora of North America species comparison

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

erect, incurved-ascending, or decumbent, sparsely strigulose or glabrate.

(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.

(1.5–)2–5(–6) cm;

stipules (1–)1.2–4 mm, submembranous becoming papery;

leaflets (5 or)7–11(or 13), blades broadly obovate, obovate-cuneate to oblanceolate, or suborbiculate-obcordate, 2–12 mm, apex emarginate or retuse, surfaces strigulose 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.

2–10-flowered, flowers spreading;

axis 0.1–0.4(–0.5) cm in fruit, not elongating;

bracts 0.5–0.8 mm;

bracteoles 0–2.

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

erect, (1.5–)2–7 cm.

1.5–5 mm.

0.3–1.3 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.

7.2–12 mm;

calyx 2.5–5 mm, strigulose, tube (1.8–)2.7–3.4 mm, lobes subulate, 0.6–1.7 mm;

corolla pink-purple, wing tips pale or banner and keel tips maculate;

banner recurved through 40°;

keel 3.8–8.1 mm, apex broadly rounded or deltate, often obscurely 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, green or purple-tinged becoming brownish stramineous, gently incurved or straight, very narrowly linear, terete to obscurely 3-sided compressed, falling before splitting, dehiscent on ground, (15–)18–50(–57) × 1.7–2.7(–3.1) mm, thinly fleshy becoming papery, base cuneate or cuneate-tapered, then sometimes pseudostipitate, strigulose; bearing seeds near middle.

6–10.

8–20.

= 16.