Flora of North America species comparison

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

obscured by stipules.

(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.

3.5–11.5 cm;

stipules distinct, 3–11 mm, papery-membranous;

leaflets (7–)11–19, blades obovate, obovate-cuneate, rhombic, or broadly oblanceolate, 4–13 mm, apex subacute, obtuse and apiculate, or obtuse, surfaces pilose abaxially, glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

10–30-flowered, flowers in compact cluster, ascending to spreading becoming declined proximally;

axis not elongating in fruit;

bracts 3–8.5 mm;

bracteoles 0–2.

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

scapiform, incurved-ascending, 4.5–15(–20) cm.

1.5–5 mm.

0.4–1 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.

9.5–11.4 mm;

calyx campanulate, 5.9–8.2 mm, sparsely hirsute, tube 3.4–5.2 mm, lobes lanceolate-linear to setaceous, 1.9–3 mm;

corolla dull reddish purple, keel maculate;

banner recurved through 45°;

keel 7.9–9.1 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.

in oblong or globose, headlike clusters, spreading and ascending, green or purple-tinged becoming stramineous or brownish, plumply ovoid or subglobose, terete or somewhat laterally compressed, 5–7 × 4–4.5 mm, thinly fleshy becoming stiffly papery, sparsely long-hirsute.

6–10.

8–12.

= 16.