Flora of North America species comparison

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

erect or ascending, fistulose, white and villous-tomentulose.

(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–)4–16 cm;

stipules 3–10 mm, submembranous becoming papery;

leaflet blades oblong-ovate or -obovate to lanceolate-elliptic, 3–20 mm, apex acute, obtuse and apiculate, or apiculate, surfaces villous-tomentulose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

35–60-flowered;

axis 3.5–10(–14) cm in fruit;

bracts 2.5–5 mm;

bracteoles 0.

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

spreading or incurved-ascending, 2.5–9 cm.

1.5–5 mm.

0.5–1.5 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.

9.1–11.7 mm;

calyx 6.2–8.1 mm, villous-villosulous, tube 3.3–4.1 mm, lobes lanceolate-acuminate to caudate, 2.5–5(–6) mm;

corolla keel 6.4–8.5 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.

stramineous, 6.5–9 × (2.5–)3–4 mm, thinly fleshy becoming stiffly papery, villous or villous-tomentulose;

gynophore 0.5–0.7 mm.

6–10.

= 16.