Flora of North America species comparison

0–10 mm.

0–10 mm.

30–80 × 1–4 mm;

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

20–50 × 2–15 mm;

blade narrowly obovate or narrowly elliptic, margins toothed, veins conspicuous, surfaces densely pilose or glabrate.

5–60 mm, hairy, sometimes glabrous.

10–50 mm, hairy, hairs appressed or nearly patent.

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

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

greenish or brownish, 40–60 mm, densely flowered;

bracts triangular, 2–3.1 mm, length 0.7–1.1 times sepals.

sepals 2 mm;

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

stamens 2.

sepals 1.8–2.8 mm;

corolla radially symmetric, lobes patent or erect, forming a beak, 1.7–3.1 mm, base obtuse;

stamens 4.

10–25(–30), 0.5–0.8 mm.

2, 1.5–2.2 mm, adaxial face flat.

= 12.

= 24.