Flora of North America species comparison

prostrate to erect, branched, flexuous, 5–200 cm.

prostrate to ascending, brown, branched, gnarled, not wiry, 5–40 cm, glabrous.

ocrea 3–15 mm, proximal part cylindric or ± funnelform, distal part silvery, hyaline, soon disintegrating into persistent fibers or nearly completely deciduous;

petiole 0.3–9 mm;

blade green to gray-green, narrowly elliptic, lanceolate, elliptic, obovate, or spatulate, 6–50(–60) × 0.5–22 mm, margins flat, apex acute, obtuse, or rounded;

stem leaves 1–4 times as long as adjacent branch leaves;

distal leaves overtopping flowers.

± uniformly distributed, articulated to ocreae, basal leaves caducous or persistent, distal leaves not reduced in size;

ocrea 3–5 mm, glabrous, proximal part cylindric, distal part membranous, deciduous with leaves;

petiole 0–0.5 mm;

blade 1-veined, without pleats, lanceolate to elliptic, 5–25 × 2–5 mm, coriaceous, margins revolute, smooth, apex acute.

axillary;

cymes uniformly distributed or aggregated at tips of stems and branches, 1–6(–8)-flowered.

axillary;

cymes in distal axils, 2–6-flowered.

enclosed in or exserted from ocreae, 1.5–5 mm.

enclosed in or slightly exserted from ocreae, erect, 2–4 mm.

closed or semi-open;

perianth 1.8–5.5 mm;

tube 20–57% of perianth length;

tepals overlapping or not, green or reddish brown with white, pink, or red margins, petaloid, not keeled, oblong to obovate, often cucullate in fruit;

midveins branched or unbranched, thickened or not;

stamens 5–8.

open or semi-open;

perianth 5–9 mm;

tube 7–15% of perianth length, tepals partially overlapping, uniformly pink or white, petaloid, ovate to ovate-round, apex rounded;

midveins with numerous branched lateral veins;

stamens 8.

enclosed in or exserted from perianth, light to dark brown, ovate, (2–)3-gonous, 1.2–4.2 mm, faces subequal or unequal, apex not beaked, edges slightly concave, dull, usually coarsely striate-tubercled, sometimes obscurely tubercled; late-season achenes common or not, 2–5 mm.

enclosed in or slightly exserted from perianth, brown, narrowly ovate, 3–4 mm, faces subequal, shiny, smooth.