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.

45–140 × 1.5–4 mm;

blade linear, margins entire, veins conspicuous or not, surfaces sericeous, rarely lanate.

25–200 mm, slightly surpassing leaves, glabrous.

300–1300 mm, hairy, hairs antrorse, long and short.

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.

greenish or brownish, 70–200 mm, densely or loosely flowered, flowers in whorls or pairs;

bracts ovate, 1.5–2 mm, length 0.4–0.7 times sepals, apex acute.

sepals 2–2.5 mm;

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

stamens 4.

sepals 2.6–3.3 mm;

corolla bilaterally symmetric, lobes reflexed, 1.7–2.6 mm, base cordate;

stamens 4, connective slightly elongated, apex obtuse.

3 or 4, 2–2.3 mm.

2, 2.3–2.8 mm.

= 24.