Flora of North America species comparison

0–40 mm, usually branched.

0–20 mm.

10–220 × (1–)10–15 mm;

blade linear to lanceolate, margins entire or toothed, veins not conspicuous, surfaces glabrous, sometimes hairy.

45–140 × 1.5–4 mm;

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

40–120 mm, glabrous or hirsute.

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

greenish or brownish, (15–)50–200(–290) mm, densely or loosely flowered;

bracts broadly ovate, 1.5–4(–6) mm, length 0.8–1.2 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 1.5–3.5 mm;

corolla radially symmetric, tube hairy, lobes reflexed, 1–1.5 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.

1–3, 1.5–3 mm.

2, 2.3–2.8 mm.

= 24.