Flora of North America species comparison

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

prostrate, strigose-strigulose or villous to pilosulous.

(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.

1–4(–6) cm;

stipules connate-sheathing at proximal nodes, mostly connate at distal nodes, sometimes distinct, 0.8–3(–5) mm, thinly herbaceous becoming papery;

leaflets 7–15, blades obovate-cuneate, 1.5–9 mm, apex obtuse, truncate, or emarginate, surfaces sparsely villosulous abaxially, glabrescent adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

densely or loosely 2–13(–15)-flowered, flowers ascending then declined;

axis 0.3–1.5 cm in fruit;

bracts 1.2–2.7 mm;

bracteoles 0.

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

0.3–2.5 cm.

1.5–5 mm.

0.4–1.3 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.

4.4–10(–12) mm;

calyx obconic-campanulate, (2.2–)2.6–4.7(–5) mm, sparsely villosulous, tube 1.1–2 mm, lobes subulate, 1–2.7 mm;

corolla whitish and banner veins faintly lilac, or rose-purple with pale basal eye;

banner recurved through 60–100°;

keel 3.5–3.7 mm, apex broadly deltate.

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.

spreading, yellowish, straight, ovoid-lenticular, obscurely 3-sided, 3.3–4.5 × 1.5–4.2 mm, unilocular, thinly papery, minutely strigulose to silky-villous.

6–10.

2 or 3(or 4).

= 16.