Flora of North America species comparison

0–20 mm.

0–30 mm, often branched.

30–300 × 5–25(–45) mm;

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

10–230 × 0.5–12 mm;

blade linear or narrowly elliptic, margins toothed, veins conspicuous or not, surfaces villous or lanate to sericeous.

300–400 mm, groove-angled, hairy.

10–400 mm, hairy, hairs woolly, long.

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.

grayish or brownish, 20–400 mm, densely flowered, flowers in spirals;

bracts ovate or elliptic, 1.7–4 mm, length 0.8–1.2 times sepals, apex not reached by green nerve.

sepals 2–2.5 mm, adaxial 2 connate;

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

stamens 4.

sepals 1.9–3.5 mm;

corolla radially symmetric, lobes reflexed, 1.3–2.8 mm, base cuneate;

stamens 4.

(1 or)2, 2–3(–4) mm.

2, 2–2.6 mm.

= 12.

= 8.