Flora of North America species comparison

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

prostrate to incurved-ascending, 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.

1.5–3.5 cm;

stipules distinct, 1–3 mm;

leaflets (3 or)5–9, blades obovate-cuneate to broadly oblanceolate, 1.5–7 mm, apex emarginate, surfaces strigulose, sometimes glabrescent adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

loosely 2–7-flowered, flowers spreading or declined;

axis to 1 cm in fruit;

bracts 0.4–1 mm;

bracteoles 0.

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

incurved-ascending, 0.2–1.5 cm.

1.5–5 mm.

1–2 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.

6–7 mm;

calyx campanulate, 3–4.5 mm, white-strigulose, tube 2–2.8 mm, lobes subulate, 0.8–1.8 mm;

corolla blue-violet;

banner recurved through 60–80°;

keel 5–5.5 mm, apex sharply triangular and beaklike.

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.

deciduous from receptacle, pendulous (sometimes humistrate), green or minutely purple-dotted becoming stramineous, straight, obliquely ovoid, bladdery-inflated, terete or somewhat obcompressed, 7–14 × 4.5–7.5 mm, papery-membranous, somewhat lustrous, minutely strigulose.

6–10.

10–14.

= 16.