Flora of North America species comparison

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

rarely 2, 0–2 cm, internodes concealed by stipules.

(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.

1–7(–12) cm;

stipules 1.5–6 mm, submembranous becoming papery;

leaflet blades obovate, oblanceolate, or elliptic, 2–19 mm, apex obtuse to acute, surfaces silvery-strigose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(1 or)2–7(or 8)-flowered;

axis 0.2–2(–2.5) cm in fruit;

bracts 0.5–2 mm;

bracteoles 0 or 1, minute.

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

scapelike, ascending, 1–7+ cm.

1.5–5 mm.

0.7–3 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.

7.4–11.6(–12.7) mm;

calyx 5–10.6 mm, strigose, tube 4–6.4(–6.7) mm, lobes subulate, 1–4.2 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.

brown, usually straight or slightly incurved, 8–25 × 3–4.5 mm, thin becoming papery, strigose.

6–10.

= 16.