Flora of North America species comparison

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

single or to 3, prostrate to ascending or erect, 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.

(1.5–)2–10.5(–12) cm;

stipules distinct, 1.5–4 mm, thinly herbaceous or submembranous;

leaflets (3–)7–13, blades linear, linear-oblong, oblanceolate, or linear-elliptic, rarely obcordate, 3–18 mm, apex obtuse to retuse, surfaces strigose abaxially, strigose or glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

2–8-flowered, flowers ascending;

axis 0.3–1.5 cm in fruit;

bracts 0.7–2 mm;

bracteoles 0–2.

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

incurved-ascending, 0.6–2.5 cm.

1.5–5 mm.

0.6–1.5 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.

5–7.6 mm;

calyx campanulate, (2–)2.7–3.8(–4) mm, strigose, tube 1.5–2.5 mm, lobes subulate to lanceolate, 0.6–1.5 mm;

corolla whitish, suffused with purple, or pink-purple;

banner recurved through 45°;

keel 3.8–4.8 mm, apex obtuse, deltate.

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 to declined, green or suffused purple, becoming stramineous, straight or slightly incurved, obliquely ovoid, bladdery-inflated, 15–24 × 6–12 mm, unilocular or semibilocular, thin becoming papery, strigose, hairs straight, appressed;

seed-bearing flange 0.2–1.5 mm wide.

6–10.

7–18.

= 16.