Flora of North America species comparison

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

decumbent or prostrate, often with 2+ apparent internodes, internodes to 1–1.5 cm, hirsute or tomentose.

(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.

2.5–7 cm;

stipules 3–8 mm, submembranous;

leaflets (7 or)9–17, blades broadly obovate to oblong-obovate or obovate-cuneate, (2–)3–12 mm, apex obtuse or emarginate, surfaces hirsute and tomentose.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(3 or)4–10-flowered, flowers ascending;

axis 0.5–3 cm in fruit;

bracts 4–6.5 mm;

bracteoles 2.

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

incurved-ascending, decumbent in fruit, 2.5–6.5 cm.

1.5–5 mm.

1.7–4.5 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.

(22–)24–29 mm;

calyx cylindro-campanulate, (11.5–)12.5–16 mm, densely hirsute, tube (8–)9.2–12.4 mm, lobes broadly subulate, 3–4.3 mm;

corolla pink-purple, wing and keel tips maculate;

banner recurved through 40°;

keel (21.5–)24–27.5 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.

ascending (humistrate), ± straight proximally, gently incurved distally, obliquely lanceoloid-ellipsoid, obcompressed proximally, (25–)30–50 × 10–15 mm, unilocular, fleshy becoming leathery, densely hirsute, hairs lustrous, wavy or contorted, (1–)2–2.5 mm.

6–10.

40–50.

= 16.