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.

3–20 cm;

stipules 5–15 mm;

leaflets 5–11(or 13), blades lanceolate to elliptic or obovate, 6–25 mm, apex acute, surfaces densely strigose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(4 or)5–8-flowered, flowers erect-ascending;

axis 0.2–1 cm in fruit;

bracts 2.5–6 mm;

bracteoles 0–2.

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

recurved in fruit, 1.5–11 cm.

1.5–5 mm.

1.2–4 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.

17.5–23 mm;

calyx cylindric, (8.5–)9.5–14 mm, loosely strigulose, tube 7–11 mm, lobes linear-subulate, 1–3.5 mm;

corolla ochroleucous or greenish white, often tinged faintly purplish, keel tip purple;

banner recurved through 35–45°;

keel (14–)15–18.5 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 (humistrate in fruit), reddish to stramineous, incurved, plumply ovoid, inflated, moderately obcompressed, (15–)17–23 × 10–15 mm, unilocular, leathery, hirsute, hairs lustrous, to 2+ mm.

6–10.

24–38.

= 16.