Flora of North America species comparison

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

prostrate to ascending, internodes well developed, sparsely strigulose-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.

4–6 cm;

stipules connate and scarious, 1.5–4 mm;

leaflets (9 or)11–23, blades oblong-oblanceolate, -elliptic, or narrowly obovate, 1–6 mm, apex obtuse, surfaces strigulose-villosulous 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.

5–12-flowered;

axis 1.5–4 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

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

ascending, 0.5–2.5 cm.

1.5–5 mm.

0.8–1.3 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.

4.5–5.5 mm;

calyx 2.8–4 mm, strigulose, tube 1.5–2 mm, lobes subulate, 1–1.8 mm;

corolla whitish, immaculate;

banner recurved through 90°;

keel 3.3–3.9 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.

pendulous, stramineous, lunate, oblong-ellipsoid, 3-sided compressed, 6–10.5 × 2–3 mm, thin becoming papery-membranous, finely strigulose;

septum 1 mm wide;

stipe 0.5–2.5 mm.

6–10.

6–11.

= 16.