Flora of North America species comparison

erect when young, decumbent or prostrate later, moderately branched especially from base, not wiry, 50–70 cm.

prostrate to ascending, branched at proximal and middle nodes, not wiry, 20–100 cm.

ocreae 5–12 mm, proximal part cylindric, distal part soon disintegrating into brown fibers;

petiole 0.3–1.5 mm;

blade light yellowish green, elliptic to obovate, 8–35 × 3–15 mm, margins flat, apex rounded;

stem leaves 1–2.1(–3) times longer than branch leaves;

distal leaves overtopping flowers.

ocrea 6.5–12 mm, proximal part cylindric, pruinose, distal part hyaline, soon disintegrating into brown fibers or nearly completely deciduous;

petiole 0–1 mm;

blade green to bluish green, elliptic-lanceolate to linear, 10–35 × 1.5–15 mm, margins flat or narrowly revolute, apex acute;

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

axillary, cymes in axils of most leaves and toward tips of stems and branchs, 1–3(–5)-flowered.

axillary, cymes uniformly distributed, 2–7-flowered.

enclosed in ocreae, 1.3–1.8(–2) mm.

exserted from ocreae, 2.5–5(–7) mm.

closed;

perianth 2.6–4 mm;

tube 40–55% of perianth length;

tepals incurved, yellow-green with yellow to green, rarely pinkish, margins, sepaloid, ± keeled, narrowly oblong, cucullate;

midveins unbranched, moderately to heavily thickened, tepals appearing keeled;

stamens 5–8.

semi-open;

perianth 3.5–5.5 mm;

tube 28–39% of perianth length;

tepals slightly overlapping, green, margins white to pink, petaloid, not keeled, oblong to obovate, not cucullate;

veins branched;

stamens 8.

enclosed in perianth, yellow-green to tan, ovate, 3-gonous, 2.4–3.5 mm, faces unequal, apex not beaked, edges concave or nearly straight, dull, uniformly tubercled; late-season achenes common, 3–5 mm.

exserted from perianth, pale brown to dark brown, ovate, 3-gonous, (3.5–)4.1–5.5(–6.5) mm, faces subequal, apex not beaked, edges straight, shiny, smooth or with fine tubercles especially toward apex; late-season achenes unknown.

= 40, 60.