Flora of North America species comparison

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

slender, ascending, 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.

2–4 cm;

stipules connate, bidentate, 2.5–5 mm, membranous;

leaflets 9–15, blades ovate-elliptic, 2.5–8 mm, apex obtuse or acute, surfaces strigulose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(1 or)2–4-flowered;

axis (1–)1.5–4 cm in fruit.

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

erect, very slender, 1.5–8 cm.

1.5–5 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.

5–6.2 mm;

calyx 2–3.5 mm, strigose, hairs white or black, tube 1.2–2.5 mm, lobes linear-subulate, 0.7–1.2 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.

spreading or pendulous, red-mottled, ellipsoid, subinflated, slightly dorsiventrally compressed, 8–14 × 4–6 mm, thin becoming papery, strigulose or glabrous;

gynophore 0.5–0.8 mm.

6–10.

16–18.

= 16.