Flora of North America species comparison

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

erect, glabrous or sparsely 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.

(3.5–)5–12(–16) cm;

stipules 4–15 mm, submembranous;

leaflets (13–)19–27(–37), blades ovate, lanceolate-oblong, or oblong-obovate, (3–)5–22 mm, midrib prominent, pubescent abaxially, apex truncate and apiculate, retuse, obtuse, or subacute, surfaces glabrous or sparsely villous 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–)15–40-flowered;

axis (1–)2–4.5 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

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

erect, 5–13 cm.

1.5–5 mm.

0.6–1.8 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.

9.1–11 mm;

calyx 6.6–9 mm, sparsely villous-villosulous, tube 3.2–4.3 × 2.4–3 mm, lobes linear to lanceolate-acuminate, 3.3–4.9 mm;

corolla white, immaculate;

banner recurved through 45°;

keel 7–7.4 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.

declined, stramineous or brown, slightly incurved, obliquely lanceoloid, 3-sided compressed, grooved dorsally, 11–15 × 3–3.4 mm, papery, villosulous, hairs 1+ mm;

septum 1.5–2.2 mm wide;

stipe 0.3–0.4 mm.

6–10.

8 or 9.

= 16.