Flora of North America species comparison

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

erect, strigulose or glabrous, or glabrate proximally.

(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.

3.5–11 cm;

stipules 2–9 mm, scarious;

leaflet blades broadly obovate-cuneate or obovate-flabellate, 7–15(–18) mm, apex obtuse to retuse, surfaces glabrous.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(7–)12–33-flowered;

axis 4–20(–28) cm in fruit;

bracts 1–3.4 mm;

bracteoles 0.

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

erect, 3.5–15 cm.

1.5–5 mm.

0.5–2 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.

8–11 mm;

calyx 4.7–5.5 mm, strigulose, tube 3–3.5 mm, lobes subulate, 1.7–2 mm;

corolla white, drying ochroleucous;

banner recurved through 60–80°;

keel 6.8–7.7 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.

incurved-ascending, green, sometimes purple-tinged or -mottled, becoming stramineous, sometimes suffused with purplish brown, incurved through 0.25 spiral, 8–15 × 3–5 mm, fleshy becoming leathery, glabrous;

stipe (2.5–)3–5 mm.

6–10.

= 16.