Flora of North America species comparison

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

erect to ascending, with 5–10 well-developed internodes, strigulose-pilosulous.

(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.

7–13(–16) cm;

stipules 4–9 mm, papery at proximal nodes, membranous at distal nodes;

leaflets (13–)17–27, blades obovate, oblong, lanceolate-oblong, or broadly elliptic, 6–26 mm, apex retuse or obtuse, surfaces strigulose-pilosulous 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.

(4–)7–22-flowered, flowers ascending-spreading;

axis (2–)3–8 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 2.

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

erect, (4–)10–18 cm, together with racemes shorter than stems.

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.

15.5–22 mm;

calyx short-cylindric, 6.9–10.3 mm, pilosulous, tube 5.2–8 mm, lobes subulate, 1.6–2.8 mm;

corolla ochroleucous, keel immaculate;

banner recurved through 45°;

keel 11–13.1 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.

erect, brown-stramineous, straight or slightly incurved, obliquely ovoid or oblong-ovoid, somewhat dorsiventrally compressed, 13–18 × 4–6 mm, unilocular, fleshy becoming leathery or subligneous, glabrous;

sessile.

6–10.

14–18.

= 16.