Flora of North America species comparison

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

erect or ascending, diffuse, strigulose.

(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.

7–15 cm;

stipules 6–10 mm, herbaceous;

leaflet blades oblong-elliptic to lanceolate, 14–30 mm, apex obtuse to apiculate, surfaces sparsely strigulose 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.

7–15-flowered;

axis 2–5 cm in fruit;

bracts 2–4 mm;

bracteoles 2.

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

erect, 2–6 cm.

1.5–5 mm.

3–4 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.

13–15 mm;

calyx marcescent, 5–7 mm, glabrous, tube 3.5–5 mm, lobes broadly subulate, 1.5–2.5 mm;

keel 13–15 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.

brownish, slightly convex, 10–15 × 6–10 mm, subligneous becoming transversely rugose, glabrous;

stipe 6–8 mm.

6–10.

= 16.