Flora of North America species comparison

0–20 mm.

0–20 mm.

40–200 × 10–30 mm;

blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually glabrous.

prostrate, sometimes ascending, 40–200 × 30–70 mm;

blade elliptic to ovate, margins entire or toothed, veins conspicuous, surfaces hairy, hairs 0.5 mm.

25–200 mm, slightly surpassing leaves, glabrous.

80–300 mm, not groove-angled, hirsute.

brownish or greenish, 45–250 mm, densely flowered, rachis not clearly visible between flowers;

bracts broadly ovate, 2 mm, length 0.8–1 times sepals.

grayish or whitish, 100–400 mm, densely flowered, shiny;

corolla lobes of neighboring flowers overlapping;

bracts ovate, 1.8–2 mm, length 0.9–1 times sepals.

sepals 2–2.5 mm;

corolla radially symmetric, lobes spreading, 1 mm, base obtuse;

stamens 4.

sepals 2 mm, adaxial 2 nearly distinct;

corolla radially symmetric, lobes reflexed, 1.5 mm, base obtuse;

stamens 4.

3 or 4, 2–2.3 mm.

2–4, 2 mm.

= 24.

= 12, 24.