Flora of North America species comparison

erect, green-brown, simple or branched from base, not wiry, 2–5(–8) cm, glabrous.

prostrate to ascending, branched from base, not wiry, 20–70 cm.

± uniformly distributed, dense, not articulated to ocreae, basal leaves ± persistent, distal leaves gradually reduced to bracts;

ocrea 2–4(–5) mm, glabrous, proximal part cylindric, distal part deeply lacerate, disintegrating into white, curled fibers;

petiole absent;

blade 3-veined, without pleats, linear-lanceolate, subulate, 5–13(–20) × 0.4–1 mm, margins revolute, smooth, apex spine-tipped.

ocrea persistent, 7–15 mm, proximal part cylindric, pruinose, distal parts silvery, margins overlapping, entire or lacerate;

petiole 0.5–3 mm;

blade bluish green, lanceolate, 10–30 × 2–8 mm, coriaceous, margins revolute, apex obtuse or acute, rugulose when fresh, markedly rugulose when dried, glaucous;

middle stem leaves slightly larger than adjacent branch leaves, distal leaves overtopping flowers they subtend.

axillary;

cymes in most axils, 1-flowered.

axillary;

cymes uniformly distributed, 1–3-flowered.

absent.

enclosed in ocreae, 3–5 mm.

closed;

perianth 1.5–2(–2.5) mm;

tube 6–15% of perianth length;

tepals overlapping, usually reddish with white margins, petaloid, oblong, navicular, apex acute;

midveins unbranched;

stamens 8.

semi-open;

perianth (2–)3–4 mm;

tube 12–26% of perianth length;

tepals ± recurved, overlapping, white, margins white or pink, petaloid, not keeled, oblong-obovate to spatulate, not cucullate;

midvein usually unbranched;

stamens 8.

slightly exserted from perianth at maturity, dark brown, ovate, 1.2–1.6(–2) mm, faces subequal, shiny, smooth.

exserted from perianth, reddish brown to dark brown, ovate, 3-gonous, 2.5–3(–4) mm, faces subequal, apex not beaked, edges straight, shiny, smooth; late-season achenes common, 3–5 mm.

= 40.