Flora of North America species comparison

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

decumbent 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.

3–10.5 cm;

stipules 4–9 mm;

leaflets 5–11, blades flat, rhombic-oval to obovate or elliptic, 6–35(–50) mm, apex mucronate, surfaces strigose or glabrous.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

4–10-flowered, flowers ascending-spreading;

axis 0.5–2 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

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

incurved, 3.5–7 cm.

1.5–5 mm.

2–5 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.

23–34 mm;

calyx 12–17.5 mm, strigulose, tube 11–14 mm, lobes subulate, 2–4 mm;

corolla ochroleucous (fading yellowish), or white (fading off-white);

banner recurved through 40°;

keel 22–23 mm, apex blunt.

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, pallid-stramineous or brownish, straight or slightly incurved, cylindroid, inflated, 20–48 × 9–15 mm, moderately fleshy-thickened, becoming stiffly papery to leathery, strigose;

unilocular;

subsessile or substipitate.

6–10.

55–59.

= 16.