Flora of North America species comparison

0–10 mm.

0–5(–7) mm.

30–80 × 1–4 mm;

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

10–70 × (0.8–)1–2 mm;

blade linear to almost filiform, margins entire, veins conspicuous or not, surfaces glabrous or hairy.

5–60 mm, hairy, sometimes glabrous.

10–80 mm, glabrous or hairy.

greenish or brownish, 50–150 mm, loosely or densely flowered;

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

greenish, brownish, or gray, (30–)50–150 mm, densely or loosely flowered;

bracts ovate, 2–2.5 mm, length 0.8–1.2 times sepals.

sepals 2 mm;

corolla radially symmetric, lobes spreading, 0.5–1 mm, base obtuse;

stamens 2.

sepals 2–2.5 mm;

corolla radially symmetric, lobes spreading or reflexed, not forming a beak, 0.5–1 mm, base obtuse;

stamens 2.

10–25(–30), 0.5–0.8 mm.

(3 or)4–9(–12), 1.5–2.5 mm.

= 12.

= 12, 20, 36.