Flora of North America species comparison

prostrate or ascending, brown, branched, rooting at nodes, not wiry, 10–100 cm, glabrous, covered with remains of lacerate, hyaline ocreae.

prostrate to ascending, branching from base, not wiry, 15–40 cm.

crowded at branch tips, articulated to ocreae, basal leaves caducous or persistent, distal leaves not reduced in size;

ocrea 15–20 mm, glabrous, proximal part cylindric to funnelform, distal part silvery, entire or slightly lacerate, disintegrating into persistent white-gray curly fibers;

petiole 0–0.5 mm;

blade 1-veined, without pleats, linear to oblanceolate, (5–)10–20(–33) × 3–8 mm, coriaceous, margins revolute, smooth, apex acute or mucronate.

ocrea 4–6 mm, proximal part funnelform, distal part silvery hyaline, soon disintegrating, leaving almost no fibrous remains;

petiole 2–5 mm;

blade often reddish tinged, elliptic to obovate or oblanceolate; 20–35 × 9–16 mm, margins flat, apex rounded;

stem leaves (1.3–)2–2.6(–3.5) times as long as branch leaves;

distal leaves overtopping flowers in distal part of inflorescence.

axillary;

cymes crowded in distal axils, 2–5-flowered.

axillary;

cymes in most leaf axils, 1–4-flowered.

enclosed in ocreae, erect to spreading, 2–5 mm.

mostly exserted from ocreae, 2–4 mm.

semi-open or open;

perianth (4.5–)6–10 mm;

tube 22–48% of perianth length;

tepals partially overlapping, uniformly pink or white, reddish brown when dried, petaloid, oblong-ovate to ± lanceolate, apex rounded;

midveins pinnately branched;

stamens 8.

semi-open;

perianth 3–3.5(–4) mm;

tube 18–25% of perianth length;

tepals overlapping, green, margins white or pink, petaloid, not keeled, broadly rounded, cucullate;

midveins unbranched;

stamens 8.

enclosed in or slightly exserted from perianth, black, ovate, 4–5 mm, faces subequal, shiny, smooth.

exserted from perianth, brown, ovate, 3-gonous, 2.8–3.4(–4) mm, faces subequal or evidently unequal, apex not beaked, edges straight, shiny, minutely roughened; late-season achenes uncommon, 4.5–5 mm.

= 60.