Flora of North America species comparison

usually erect, usually stiff, sometimes lax or sprawling, usually glaucous, especially proximally, glabrous.

early deciduous; usually sessile, rarely subsessile;

blade scalelike, linear-subulate, lanceolate, or elliptic, 2(–3) × 0.5–1 mm, base and apex narrowly acute, surfaces pubescent, hairs incurved.

terminal, often also appearing axillary (from branches proximal to racemes of major branches with vegetative portions highly reduced), 2–10(–15) × 0.8–1.9 cm;

rachis not thorn-tipped;

peduncle to 2 cm, sometimes vestigial, especially on reduced axillary racemes;

bracts mostly deciduous, rarely persistent, lanceolate, narrowly ovate, or linear.

1.5–3.2(–3.6) mm, glabrous.

pink, keel green to yellow distally, (3–)3.4–5 mm;

upper sepal persistent, others deciduous, ovate to elliptic, lower sepals ovate or elliptic to narrowly obovate, 1.5–2.8 mm, glabrous, margins sparsely ciliate proximally;

wings obovate, (2.7–)3.5–4.7 × (1.5–)1.8–2.8 mm, glabrous, margins sometimes sparsely ciliate proximally;

keel (2.5–)2.7–3.5 mm, sac incurved-puberulent in distal 1/2, beak bluntly rounded, 0.3–0.8 × 0.3–0.6 mm, pubescent.

obovoid, usually narrowly so, (2.6–)3.3–4.4 × 1.8–2.6 mm, base cuneate, margins with very narrow and even wing, glabrous or sparsely pubescent apically.

2.3–2.9 mm, pubescent, usually more sparsely pubescent to often subglabrous in distal 1/5–1/2 (sometimes evenly pubescent throughout);

aril 0.6–1.1 mm, lobes to 1/3 length of seed.

= 18 (36).