Flora of North America species comparison

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

erect or ascending, 2–10 cm underground, 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.

4–10(–11) cm;

stipules distinct throughout, 2–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (7–)11–21, blades linear or linear-oblong to -elliptic, 6–20 × mm, apex obtuse to retuse, surfaces strigulose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(7–)10–28-flowered, flowers declined and secund;

axis (2.5–)4.5–20 cm in fruit;

bracts 1.5–3 mm;

bracteoles 0–2.

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

erect, 9–21 cm.

1.5–5 mm.

1–2.5 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.

14.5–18 mm;

calyx cylindric, 6–7.5 mm, strigose, tube (5–)5.5–6 mm, lobes triangular-subulate, 1–1.7 mm;

corolla ochroleucous, concolorous;

banner recurved through 45°;

keel 9.5–11.5 mm, apex bluntly or sharply 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.

pendulous, stramineous, straight or evenly to hamately curved, linear-oblanceoloid, 3-sided, abaxially compressed, (25–)30–40 × 3.5–5 mm, stiffly papery, strigulose;

stipe 5–10(–12) mm.

6–10.

18–20.

= 16.