Flora of North America species comparison

prostrate to laxly erect, often glaucous, glabrous or pubescent, hairs spreading.

sessile;

blade ovate, elliptic, or obovate, 4–20 × 2–12 mm, base cuneate, rounded, or nearly clasping, apex acute or rounded, surfaces pubescent, hairs spreading.

terminal, to 3.5(–5) × 1.5–3 cm;

rachis thorn-tipped;

peduncle 0.2–0.3 cm;

bracts deciduous, ovate, elliptic, or linear.

(3–)4–8(–9.5) mm, glabrous or pubescent.

pink, wings usually pink, keel distally yellow, (7.5–)9.5–13.5 mm;

sepals deciduous, elliptic to ovate, lower sepals mostly obovate, (2–)2.5–6 mm, pubescent;

wings obovate to elliptic-obovate, (6.5–)8–12.5 × (2.5–)3–5.5 mm, glabrous or sparsely pubescent;

keel (6–)7.5–11.2 mm, sac glabrous, beak oblong, with 1 or 2 prominent invaginations along abaxial side formed by sinuate excess tissue, (1.4–)2–4 × (0.6–)0.8–1.3 mm, glabrous.

ellipsoid-ovoid to obovoid, 4.2–7.8 × 3.7–7 mm, base cuneate to rounded, margins with very narrow and even wing, pubescent or glabrous.

3–4.4 mm, most densely pubescent apically, proximal 1/2 sparsely and unevenly pubescent or glabrous;

aril 1.3–2.6 mm, lobes 1/4–1/2 length of seed.

= 36(or 38).