Flora of North America species comparison

0–20 mm.

20–40 mm.

30–300 × 5–25(–45) mm;

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

30–200 × 3–7 mm;

blade linear or narrowly lanceolate, margins entire, rarely toothed, veins conspicuous or not, abaxial surface villous, adaxial glabrous or sparsely villous.

300–400 mm, groove-angled, hairy.

100–500 mm, hairy, hairs antrorse, long and short.

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, 80–150 mm, densely flowered, flowers in whorls or pairs;

bracts almost linear, 15–30 mm, length 2–12 times sepals.

sepals 2–2.5 mm, adaxial 2 connate;

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

stamens 4.

sepals 2.7–3.7 mm;

corolla bilaterally symmetric, lobes reflexed, adaxials 1.4–2.3 mm, laterals symmetric, base deeply cordate;

stamens 4, connective elongated, apex acute.

(1 or)2, 2–3(–4) mm.

2, 2.5–2.9 mm.

= 12.

= 20.