Flora of North America species comparison

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

erect to ascending, 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.

4–15(–18) cm;

stipules 2–4(–6) mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–19(or 21), blades linear-oblong, narrowly oblong-oblanceolate, or obovate, 2–13 mm, apex obtuse, subtruncate, or shallowly retuse, surfaces strigose, 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.

(5–)8–15-flowered, flowers ascending;

axis (3–)5–18(–20) cm in fruit;

bracts 1.5–2.3 mm;

bracteoles 0.

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

erect, 6–21(–24) cm.

1.5–5 mm.

1–2.8 mm, little or no clavate thickening in fruit.

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.

10.5–13.8 mm;

calyx campanulate, 4.8–6.3 mm, strigulose-pilosulous, tube 3.1–4.2 mm, lobes subulate, 1.2–2.1 mm;

corolla ochroleucous, keel tip tinged lilac;

banner recurved through 40°;

keel 8.5–9.6 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.

erect, pale green or purplish becoming stramineous, straight, linear-oblong, 3-sided compressed, lateral face flat, dorsal face narrower and grooved, 15–30 × 2.7–4 mm, ± bilocular, thin becoming papery, glabrous;

septum 1–2 mm wide;

stipe 3.5–7 mm.

6–10.

16–18.

= 16.