Flora of North America species comparison

0–20 mm.

0–5 mm.

20–120 × 4–25 mm;

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

20–70 × 1–2 mm;

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

30–240 mm, hairy, hairs patent, long.

15–60 mm, hairy, sometimes glabrous.

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.

greenish or brownish, 20–100 mm, loosely or densely flowered;

bracts triangular-ovate, 1.5–2 mm, length 0.9–1.1 times sepals.

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.

sepals 1.5–2 mm;

corolla radially symmetric, lobes erect, forming a beak, 0.5 mm, base obtuse;

stamens 2.

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

4, 0.8–1.3 mm.

= 24.

= 12.