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.

prostrate, sometimes ascending, 40–200 × 30–70 mm;

blade elliptic to ovate, margins entire or toothed, veins conspicuous, surfaces hairy, hairs 0.5 mm.

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

80–300 mm, not groove-angled, hirsute.

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

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

grayish or whitish, 100–400 mm, densely flowered, shiny;

corolla lobes of neighboring flowers overlapping;

bracts ovate, 1.8–2 mm, length 0.9–1 times sepals.

sepals 2–2.5 mm;

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

stamens 4.

sepals 2 mm, adaxial 2 nearly distinct;

corolla radially symmetric, lobes reflexed, 1.5 mm, base obtuse;

stamens 4.

3, 1.2–2.2 mm.

2–4, 2 mm.

= 24.

= 12, 24.