Flora of North America species comparison

0–10 mm.

0–5(–7) mm.

50–300 × 10–30 mm;

blade lanceolate, margins entire, sometimes toothed, veins conspicuous, laterals branching from base, surfaces sparsely hairy.

10–70 × (0.8–)1–2 mm;

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

75–150 mm, sparsely hairy.

10–80 mm, glabrous or hairy.

brownish or greenish, 100–450 mm, loosely flowered, rachis visible between flowers;

bracts ovate, 1 mm, length 0.5–0.6 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, 1 mm, base obtuse;

stamens 4.

sepals 2–2.5 mm;

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

stamens 2.

2, 2 mm.

(3 or)4–9(–12), 1.5–2.5 mm.

= 24.

= 12, 20, 36.