Flora of North America species comparison

0–5(–7) mm.

0–30 mm.

10–70 × (0.8–)1–2 mm;

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

50–220 × 9–60 mm;

blade elliptic to narrowly elliptic, margins with inconspicuous teeth, veins conspicuous, surfaces hairy, adaxial surface hairs floccose, slender, 4–6 × 0.01–0.03 mm.

10–80 mm, glabrous or hairy.

55–220 mm, lanate, hairs variously directed, long.

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.

greenish or brownish, 200–500 mm, densely flowered, flowers less crowded proximally;

bracts narrowly triangular or triangular, 2–2.8 mm, lengths 0.9–1 times sepals.

sepals 2–2.5 mm;

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

stamens 2.

sepals 1.9–2.7 mm;

corolla radially symmetric, lobes erect, forming a beak, 2–2.9 mm, base obtuse;

stamens 4.

(3 or)4–9(–12), 1.5–2.5 mm.

3, 1.8–2.4 mm.

= 12, 20, 36.