Flora of North America species comparison

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

erect or ascending, strigulose and often minutely tomentulose.

(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.

(4–)5–16 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2–12 mm, papery-membranous;

petiolate or subsessile;

leaflets 25–39, blades linear-oblong to narrowly obovate, (2–)5–25 mm, apex obtuse or truncate-emarginate, 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.

15–35-flowered, flowers spreading becoming declined;

axis 2–11 cm in fruit;

bracts 1.4–3.7 mm;

bracteoles 0 or 1.

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

erect, (5.5–)7–25 cm.

1.5–5 mm.

1–6 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.

13–16 mm;

calyx campanulate, 6–8.6 mm, densely strigulose, tube (3.7–)4–5 mm, lobes subulate or lanceolate, (1.5–)1.8–3.6 mm;

corolla creamy white (concolorous), or keel tip faintly lilac;

keel 10.7–12.7 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.

ascending, loosely spreading, or declined, stramineous, not bicarinate, obliquely obovoid or semi-obovoid-ellipsoid, bladdery-inflated, 23–36 × 12–18(–20) mm, thin becoming papery-membranous, translucent, lustrous, sparsely strigulose;

gynophore 2.3–5.5(–6) mm.

6–10.

(26–)28–37.

= 16.