Flora of North America species comparison

0–10 mm.

0–20 mm.

40–350 × 6–77 mm;

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

20–120 × 4–25 mm;

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

30–560 mm, hairy, hairs antrorse, short.

30–240 mm, hairy, hairs patent, long.

greenish or brownish, 100–1000 mm, densely flowered;

bracts narrowly triangular, 1.6–4.2 mm, length 0.8–1.5 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 2–2.5 mm;

corolla radially symmetric, lobes erect, forming a beak, 2–2.8 mm, base obtuse;

stamens 4.

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.

3, 1.2–2.2 mm.

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

= 24.

= 24.