Flora of North America species comparison

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

decumbent to 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.

(6–)8–20(–24) cm;

stipules 3–8 mm, submembranous early becoming papery;

leaflets (9–)17–25, blades oblong, elliptic, rhombic-ovate, or rhombic-lanceolate to linear-elliptic, (7–)10–20(–28) mm, apex obtuse to subacute, surfaces strigulose 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.

(9–)15–30-flowered, flowers spreading to nodding;

axis (3–)5–17 cm in fruit;

bracts 2–4.5 mm;

bracteoles 2.

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

erect, 8–16 cm.

1.5–5 mm.

1.5–5 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.

18.5–20.5 mm;

calyx short-cylindric, 9.6–12.2 mm, strigulose, tube 7–9 mm, lobes triangular to subulate, (1–)2–3.2 mm;

corolla ochroleucous, immaculate;

banner recurved through 50°;

keel 13–15 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, green, sometimes suffused or speckled with purple, becoming stramineous, straight or nearly so, subsymmetrically oblong- or ovoid-ellipsoid, moderately inflated, obcompressed, both sutures grooved, 11–22 × (4.5–)6.5–10 mm, base truncate, ± bilocular, fleshy becoming leathery, glabrous;

septum 1.4–1.8 mm wide;

stipe 12–18 mm.

6–10.

21–32.

= 16.