Flora of North America species comparison

0–20 mm.

100–350 mm, freely branched.

30–300 × 5–25(–45) mm;

blade lanceolate to oblanceolate, margins entire or toothed, veins conspicuous, surfaces glabrous or sericeous.

cauline, opposite, 60–80 × 1–3 mm;

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

300–400 mm, groove-angled, hairy.

100–650 mm, hairy.

grayish, whitish, or yellowish, (5–)100–450(–1000) mm, usually shorter than scape, densely flowered, shiny;

corolla lobes of neighboring flowers often overlapping;

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

greenish or brownish, (50–)150–250 mm, densely flowered, eglandular;

bracts proximal strongly differing from distal, ovate, 2–5(–7) mm, length 1–1.5 times sepals, proximal bracts: apex acute.

sepals 2–2.5 mm, adaxial 2 connate;

corolla radially symmetric, lobes reflexed, 2–2.5 mm, base obtuse;

stamens 4.

sepals 2–3 mm;

corolla radially symmetric, lobes reflexed, 2–4 mm, base obtuse;

stamens 4.

(1 or)2, 2–3(–4) mm.

2, 2–2.5 mm.

= 12.

= 12.