Flora of North America species comparison

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

prostrate, strigose-pilosulous.

(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.

1–3.5 cm;

stipules connate, 1–3 mm, submembranous becoming scarious at proximal nodes;

leaflets 7–13, blades lanceolate, oblanceolate, or linear-elliptic, 1–6 mm, apex acute or subacute, surfaces strigose-pilosulous, sometimes glabrescent adaxially;

terminal leaflets decurrent distally, not jointed to rachis, often recurved.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

5–9-flowered;

axis 1–2 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

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

straight, 0.7–2 cm.

1.5–5 mm.

1–2.5 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.

5–7.5 mm;

calyx 3.3–4.4 mm, strigulose, tube 1.8–2.1 mm, lobes subulate, 1.4–2.4 mm;

corolla ochroleucous, banner veined purple;

banner recurved through 90–100°;

keel 4–4.5 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.

deflexed, stramineous, incurved, subsymmetrically oblong-ellipsoid, 3-sided compressed, 5–8 × 1.9–3(–3.3) mm, papery, white-pilose;

septum 0.8–1.7 mm wide;

stipe 0.1–0.5 mm.

6–10.

6–9.

= 16.