Flora of North America species comparison

0–5 mm.

0–40 mm, usually branched.

20–70 × 1–2 mm;

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

10–220 × (1–)10–15 mm;

blade linear to lanceolate, margins entire or toothed, veins not conspicuous, surfaces glabrous, sometimes hairy.

15–60 mm, hairy, sometimes glabrous.

40–120 mm, glabrous or hirsute.

greenish or brownish, 20–100 mm, loosely or densely flowered;

bracts triangular-ovate, 1.5–2 mm, length 0.9–1.1 times sepals.

greenish or brownish, (15–)50–200(–290) mm, densely or loosely flowered;

bracts broadly ovate, 1.5–4(–6) mm, length 0.8–1.2 times sepals.

sepals 1.5–2 mm;

corolla radially symmetric, lobes erect, forming a beak, 0.5 mm, base obtuse;

stamens 2.

sepals 1.5–3.5 mm;

corolla radially symmetric, tube hairy, lobes reflexed, 1–1.5 mm, base obtuse;

stamens 4.

4, 0.8–1.3 mm.

1–3, 1.5–3 mm.

= 12.

= 24.