Flora of North America species comparison

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

prostrate, spreading from root-crown, hirsutulous.

(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.

1–4 cm;

stipules 1–2.2 mm, papery-membranous at proximal nodes, thinly herbaceous at distal nodes;

leaflets 7–13, blades oblong-obovate or ovate-lanceolate, 2–7 mm, apex retuse, surfaces hirsutulous, sometimes glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

1–4-flowered, flowers declined;

axis 0–1.5(–2.3) cm in fruit;

bracts 0.6–1 mm;

bracteoles 0.

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

0.3–2.5(–3.8) cm.

1.5–5 mm.

0.8–1 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.

4.2–5.4 mm;

calyx 3–4 mm, hirsutulous, tube 1.6–2.3 mm, lobes lanceolate-subulate, 1.3–2 mm;

corolla whitish, banner veins purple;

banner recurved through 40°;

keel 3.7–4.5 mm, apex bluntly deltate.

glabrous.

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.

dehiscent on plant, declined, stramineous or brownish, gently incurved or incurved through 0.2–0.3 spiral, linear-oblong, 3-sided compressed, 13–18 × 2.8–4.1 mm, thin becoming papery, hirsutulous, hairs curved.

6–10.

12–14.

= 16.

= 26.