Flora of North America species comparison

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

decumbent, 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.

1.5–4 cm;

stipules 1–1.5 mm, herbaceous becoming papery;

leaflets 11 or 13, blades obovate, 2–4.5 mm, apex obtuse, 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.

8–18-flowered, flowers ascending;

axis 1–2.5 cm in fruit;

bracts 1.3–2.5 mm;

bracteoles 0.

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

prostrate and radiating in fruit, 5–7 cm.

1.5–5 mm.

1.5 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.

7.5–8 mm;

calyx 6 mm, strigulose-villosulous, tube 3 mm, lobes subulate, 2.8 mm;

corolla pink-purple or bluish lavender;

banner recurved through 45°;

keel 5.8–6.2 mm, apex bluntly 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.

disjointing from receptacle when mature, ascending, stramineous, slightly incurved, narrowly lanceoloid, 3-sided compressed, 7–9 × 2–2.5 mm, thin becoming stiffly papery, loosely strigulose.

6–10.

6.

= 16.