Flora of North America species comparison

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

ascending or sprawling, sparsely 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.

(6–)8–20 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 10–20 mm, thinly herbaceous or foliaceous becoming papery;

leaflet blades ovate to oblong or broadly elliptic, 10–45(–60) mm, apex obtuse and apiculate, 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.

10–20-flowered;

axis (1–)1.5–3.5 cm in fruit;

bracts 2–6 mm;

bracteoles 0.

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

1.5–8 cm.

1.5–5 mm.

0.5–3 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.

11.5–13.5 mm;

calyx 5.2–6.5 mm, glabrate to sparsely strigulose, tube 3.5–4.2 mm, lobes subulate, 1.2–2.9 mm;

corolla keel 9.5–11 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.

brownish stramineous, (27–)30–37(–40) × 4–5 mm, fleshy becoming leathery, minutely strigulose;

stipe 2–3.5 mm.

6–10.

= 16.

= 16.