Flora of North America species comparison

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

single, erect or prostrate to 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–)3–8 cm;

stipules distinct, 1–4 mm, papery;

leaflets 7–13, blades broadly or narrowly elliptic or oblanceolate, (3–)5–15 mm, apex obtuse, shallowly emarginate, or subacute, surfaces strigulose, sometimes glabrescent adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

6–10-flowered, flowers loosely ascending or in age declined;

axis (1–)1.5–3.5(–4) cm in fruit;

bracts 1–2 mm;

bracteoles 0–2, minute when present.

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

ascending, 2–5 cm.

1.5–5 mm.

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.

7.8–10.4 mm;

calyx often purplish, campanulate, 4–4.6 mm, strigulose, tube 2.5–3.2 mm, lobes subulate, 1.2–2 mm;

corolla pink-purple;

banner recurved through 90°;

keel 5.9–6.6 mm, apex blunt.

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.

horizontal or declined, stramineous, straight or slightly incurved, plumply ovoid or broadly oblong-ellipsoid, bladdery-inflated, subterete, (13–)15–25 × 11–15 mm, thin becoming papery-membranous, translucent, somewhat lustrous, sparsely strigulose, hairs straight, appressed;

seed-bearing flange 1–2.5 mm wide;

gynophore to 2 mm.

6–10.

19–24.

= 16.

= 22.