Flora of North America species comparison

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

decumbent and incurved-ascending or erect, sparsely to densely strigulose or glabrate.

(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.

1.5–9.5 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, connate or distinct and submembranous at distal nodes, 1–4 mm, not blackened when dry;

leaflets 11–19, blades elliptic to oblong, lanceolate, or broadly oval, 3–17(–19) mm, apex acute to obtuse and apiculate, surfaces strigose abaxially, strigose or glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(1–)3–13-flowered, flowers ascending to spreading;

axis (1–)2–8 cm in fruit;

bracts 0.7–1.7 mm;

bracteoles 0.

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

decumbent or humistrate (in fruit), 3–10(–14) cm.

1.5–5 mm.

1.5–4(–4.5) 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.

8–10.5 mm;

calyx (3.4–)4.5–6.7 mm, strigose, tube (2.6–)3–4.3 mm, lobes subulate, (0.8–)1.2–2.9 mm;

corolla pink-purple, or whitish and purple-tipped;

banner recurved through 50°;

keel 6.7–8.8 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.

pendulous, brown, straight or nearly so, ellipsoid or oblong-ellipsoid, laterally flattened, (7–)9–15 × 3–4.2 mm, thinly papery, strigose;

stipe 1–1.5(–2) mm.

6–10.

2–6.

= 16.