Flora of North America species comparison

0–5 mm.

0–10 mm.

20–70 × 1–2 mm;

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

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.

15–60 mm, hairy, sometimes glabrous.

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

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

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

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

bracts narrowly triangular, 1.6–4.2 mm, length 0.8–1.5 times sepals.

sepals 1.5–2 mm;

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

stamens 2.

sepals 2–2.5 mm;

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

stamens 4.

4, 0.8–1.3 mm.

3, 1.2–2.2 mm.

= 12.

= 24.