Flora of North America species comparison

sprawling to erect, densely pubescent to glabrate, hairs spreading and short.

sessile or subsessile;

blade oblanceolate, narrowly obovate, or narrowly elliptic, 3–25 × 1–5 mm, base long-cuneate, apex rounded or acute, surfaces usually densely pubescent, rarely subglabrous, hairs spreading and short.

terminal, sometimes appearing axillary if poorly developed, sometimes aggregated into pseudopanicles or reduced and appearing fasciculate, 0.5–2.5 ×0.6–2 cm;

rachis thorn-tipped;

peduncle 0–0.2(–0.5) cm, often poorly developed;

bracts deciduous, lanceolate.

1.5–4(–5.8) mm, usually shorter than flowers, pubescent, sometimes sparsely so.

cream to yellowish green, wings cream to greenish, upper petals often purple-tipped, distal keel often dark yellow to green, (3–)3.5–5(–5.3) mm;

sepals deciduous, ovate to elliptic, 1.6–3.5 mm, spreading-pubescent, margins usually ciliate;

wings obovate, 3–5 × 2–3 mm, glabrous or sparsely pubescent;

keel 2.7–3.8 mm, sac glabrous, beak absent or obscure and bluntly rounded, to 0.7 × 0.5 mm, glabrous;

stamens rarely 9.

ellipsoid or slightly obovoid, (3–)4–6 × 2.5–4 mm, base rounded or, sometimes, cuneate, margins with very narrow and even wing, glabrous.

3.2–4.2 mm, pubescent;

aril 1–1.7 mm, lobes to 1/3 length of seed.

= 18.