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.

60–360 × 15–65 mm;

blade elliptic to narrowly elliptic, margins toothed, 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.

55–360 mm, hairy, hairs antrorse, long.

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, 110–720 mm, densely or loosely flowered;

bracts ovate, rarely triangular, 2.5–4 mm, length 0.8–1.3 times sepals.

sepals 1.5–2 mm;

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

stamens 2.

sepals 2.6–3.1 mm;

corolla radially symmetric, lobes erect, forming a beak, 2.4–2.7 mm, base obtuse;

stamens 4.

4, 0.8–1.3 mm.

3, 1.8–2.5 mm.

= 12.

= 48.