Flora of North America species comparison

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

decumbent to ascending, villosulous.

(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.

2–7 cm;

stipules 2–4.5 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (9 or)11–17(or 19), blades obovate-cuneate or oblong-oblanceolate, (4–)6–16 mm, apex truncate-retuse to obtuse, surfaces villosulous.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

8–16-flowered;

axis 1.5–4.5 cm in fruit;

bracts 2–3 mm;

bracteoles usually 2.

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

erect or incurved-ascending, 4.5–12 cm.

1.5–5 mm.

1.5–3.5 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.

16.6–20 mm;

calyx 9–11.5 mm, densely villosulous, tube 6.9–8.5 mm, not swollen or gibbous proximally, marcescent, lobes triangular, 1.4–3 mm;

corolla whitish, keel tip faintly maculate;

keel 12–13.4 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.

spreading or pendulous, stramineous, lunate- or hamate-incurved, laterally falcately oblong, laterally compressed, 18–30 × (4–)5–7 mm, fleshy becoming leathery, densely villosulous;

stipe 5–8 mm.

6–10.

24–30.

= 16.

= 22.