Flora of North America species comparison

100–400 mm, freely branched.

0–10 mm.

cauline, opposite, 30–60 × 0.75–1 mm;

blade linear to linear-lanceolate, margins entire, veins inconspicuous, surfaces hairy.

60–360 × 15–65 mm;

blade elliptic to narrowly elliptic, margins toothed, veins conspicuous, surfaces pilose, rarely glabrate, adaxial surface hairs not floccose, less than 2 mm long, more than 0.03 mm wide.

30–80 mm, hairy.

55–360 mm, hairy, hairs antrorse, long.

greenish or brownish, 40–85 mm, densely flowered;

bracts broadly ovate, 5–6 mm, lengths equal to sepals.

greenish or brownish, 110–720 mm, densely or loosely flowered;

bracts ovate, rarely triangular, 2.5–4 mm, length 0.8–1.3 times sepals.

sepals 5–6 mm;

corolla radially symmetric, lobes reflexed, 3–3.5 mm, base obtuse;

stamens 4.

sepals 2.6–3.1 mm;

corolla radially symmetric, lobes erect, forming a beak, 2.4–2.7 mm, base obtuse;

stamens 4.

1 or 2, 2 mm.

3, 1.8–2.5 mm.

= 12.

= 48.