Flora of North America species comparison

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

ascending, in clumps, sparsely 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–)4–12(–14) cm;

stipules (1–)1.5–4 mm, submembranous becoming papery;

leaflets (7–)11–17(or 19), blades lanceolate or oblong-elliptic, (3–)5–20(–25) mm, apex obtuse or retuse, surfaces strigulose, densely so adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

10–25-flowered, flowers ascending (to spreading);

axis (2.5–)4–15(–17) cm in fruit;

bracts 1–1.7 mm;

bracteoles 0–2.

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

arising from stem distally, erect or incurved-ascending, (1.5–)3–10 cm, together with racemes much shorter than stems.

1.5–5 mm.

0.4–2 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.

7.1–10.2 mm;

calyx campanulate, 3.6–6.7 mm, strigulose, tube 2.7–4.1 mm, lobes subulate, 0.9–3 mm;

corolla pale to dark lilac;

banner recurved through 45–80°;

keel 6.8–9.4 mm, apex sharply triangular.

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 or incurved-ascending, pale or purple-tinged becoming stramineous, straight or slightly incurved, narrowly oblanceoloid, 3-sided compressed, (20–)25–31 × 3.7–5 mm, thin becoming papery, glabrous;

gynophore stout, 0.7–1.5 mm.

6–10.

19–28.

= 16.