Flora of North America species comparison

0–10 mm.

0–20 mm.

30–80 × 1–4 mm;

blade linear, margins lobed, rarely entire, veins conspicuous or not, surfaces hairy, sometimes glabrous.

20–120 × 4–25 mm;

blade obovate or narrowly obovate, margins toothed, veins conspicuous, surfaces pilose or glabrate.

5–60 mm, hairy, sometimes glabrous.

30–240 mm, hairy, hairs patent, long.

greenish or brownish, 50–150 mm, loosely or densely flowered;

bracts ovate, 2 mm, length 0.9–1.1 times sepals.

greenish or yellowish, 38–260 mm, densely or loosely flowered;

bracts narrowly ovate or ovate, 1.6–2.5 mm, length 0.7–1 times sepals.

sepals 2 mm;

corolla radially symmetric, lobes spreading, 0.5–1 mm, base obtuse;

stamens 2.

sepals 1.5–2.4 mm, apex obtuse;

corolla radially symmetric, lobes erect, forming a beak, 1.1–2.9 mm, base obtuse;

stamens 4.

10–25(–30), 0.5–0.8 mm.

2, brown or yellowish brown, 1.6–2 mm, adaxial face deeply concave.

= 12.

= 24.