Flora of North America species comparison

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

few, weakly 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.

(3–)4–9.5 cm;

stipules usually distinct, rarely very obscurely connate, 1.5–5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–13, blades broadly ovate-oblong or oblong-elliptic, (3–)4–15(–18) mm, apex retuse or emarginate to obcordate, surfaces sparsely 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.

5–12-flowered, flowers spreading to declined;

axis 1–3 cm in fruit;

bracts 1–2 mm;

bracteoles 0–2.

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

incurved-ascending, (2–)3–6(–8) cm.

1.5–5 mm.

1–2.2 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.

8.8–10.4 mm;

calyx 4–5.9 mm, strigose, tube 2–3 mm, lobes subulate, 1.8–2.9 mm;

corolla whitish, suffused purplish, keel tip maculate;

keel 7.8–9.8 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.

ascending to spreading, green or purplish becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, moderately inflated, dorsiventrally compressed, 15–17 × 7–8 mm, semibilocular, thin becoming papery, strigulose;

septum partial, to 1.6 mm wide.

6–10.

16–20.

= 16.

= 24.