Flora of North America species comparison

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

decumbent to ascending, glabrous or 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.

4–9.5 cm;

stipules 2–5 mm, submembranous becoming papery;

leaflets 7–15(or 17), blades ovate, ovate-oblong, or obovate-cuneate, 5–20 mm, apex retuse, surfaces sparsely 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.

5–20-flowered;

axis 1–4.5 cm in fruit;

bracts 0.8–2 mm;

bracteoles 0.

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

incurved-ascending, 3–9 cm.

1.5–5 mm.

0.5–1.2 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.

7–9 mm;

calyx 3.2–4.6 mm, strigulose, tube 2–2.9 mm, lobes subulate, 1–1.7 mm;

corolla whitish, sometimes faintly tinged lilac;

banner recurved through 45°;

keel 4.8–5.5 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, stramineous or brown, lunate, linear-ellipsoid, 3-sided compressed, 10–17 × 2.5–3.5 mm, papery, glabrous;

septum 1.3–2 mm wide;

stipe 1–1.5 mm.

6–10.

8–10.

= 16.