Flora of North America species comparison

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

(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.

1–6 cm;

stipules 3–7 mm;

leaflets 3–11, blades obovate to oblanceolate or orbiculate, 1.5–8 mm, apex round to obtuse or acute, surfaces strigose.

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;

axis to 1 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0.

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

ascending, 0.4–3 cm.

1.5–5 mm.

ascending, 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.

10–15.5(–17.5) mm;

calyx cylindric, 5.5–8.9 mm, strigose, tube 4.1–6.8 mm, lobes subulate, 1.4–1.7 mm;

corolla usually white or ochroleucous, sometimes fading yellowish, suffused with purple, sometimes purple, keel tip maculate;

banner recurved through 40°;

keel (9–)10–12.5 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.

ascending, green, straight or slightly incurved, obliquely ovoid or lanceoloid-ovoid, somewhat dorsiventrally compressed, (8–)11–19 × 3–8 mm, unilocular, distinctly beaked, thinly fleshy becoming papery, sometimes incipiently alveolate-spongy, walls much less than 1 mm thick, strigose.

6–10.

18–33.

= 16.