Flora of North America species comparison

prostrate to laxly erect, glabrous or very sparsely pubescent, hairs incurved.

sessile or subsessile;

blade elliptic, obovate, ovate, or scalelike, (1.5–)2–5.9(–8) × 0.8–3.5 mm, base cuneate or rounded, apex acute, surfaces sparsely pubescent to subglabrous, hairs incurved.

terminal, sometimes appearing axillary (from branches proximal to racemes of major branches with vegetative portions highly reduced), reduced to 1–3(–5) flowers, 0.5–1 × 0.7–1.9 cm;

peduncle 0–0.2 cm;

rachis not thorn-tipped;

bracts persistent, ovate, lanceolate, or linear.

(0.6–)1–3(–3.6) mm, usually glabrous, rarely sparsely pubescent.

pink or purple with pale margins, keel sometimes cream, distally greenish yellow, (2.4–)2.9–5.1(–5.4) mm;

sepals: lateral ones deciduous, elliptic, ovate, or obovate, (1.2–)1.6–3(–3.2) mm, upper sepal persistent, ovate, (1–)1.2–2.4 mm, glabrous, margins sometimes sparsely ciliate proximally;

wings obovate, (2.2–)2.5–4.6(–5.1) × 1.8–2.8 mm, glabrous or sparsely pubescent proximally;

keel (1.7–)2.3–3.6 mm, sac incurved-puberulent in distal 1/2, beak obscure, deltate, bluntly rounded, or linear to oblong, (0–)0.1–0.7 × (0–)0.1–0.5 mm, glabrous.

ellipsoid-obovoid, sometimes broadly so, 1.9–3.6 × 1.6–2.9 mm, base cuneate to rounded, margins narrowly and evenly winged or slightly expanded apically, glabrous or sparsely pubescent apically.

(1.7–)1.9–3.2 mm, body, excluding aril and pubescence, 1–1.9 mm, densely pubescent;

aril (0.3–)0.4–0.7 mm, lobes often highly reduced, nearly absent to 1/6 length of seed.