Flora of North America species comparison

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

ascending to erect, 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.

(2.5–)4–10 cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and herbaceous at distal nodes, 2.5–10 mm;

leaflets 3–11, blades linear-oblong or oblanceolate, (6–)15–50 mm, margins flat, elevated, apex obtuse to subacute, surfaces strigulose abaxially, glabrous or strigulose adaxially;

terminal leaflet decurrent, not jointed to rachis.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

(5–)9–27-flowered, flowers ascending;

axis 1–7 cm in fruit;

bracts 2.5–7 mm;

bracteoles 2.

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

erect and strict, 3–10 cm.

1.5–5 mm.

2–7 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.

15–22.5 mm;

calyx 6.5–10.3 mm, strigose, tube 5.2–8 × 2.9–4.2 mm, lobes subulate, 1.2–2.5 mm;

corolla cream;

keel (11.5–)12.7–15.2 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 or ascending, brown or stramineous, ± straight, narrowly oblong or oblong-ellipsoid, terete or somewhat laterally compressed, 9–18 × 2.7–3.5 mm, fleshy becoming stiffly leathery, usually glabrous, rarely strigulose;

sessile.

6–10.

(14–)16–21(–23).

= 16.

= 44.