Flora of North America species comparison

0–10 mm.

100–400 mm, freely branched.

60–290 × 7–30 mm;

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

cauline, opposite, 30–60 × 0.75–1 mm;

blade linear to linear-lanceolate, margins entire, veins inconspicuous, surfaces hairy.

15–150 mm, hairy, hairs patent, long.

30–80 mm, hairy.

greenish, yellowish, or brownish, 35–300 mm, densely or loosely flowered;

bracts narrowly triangular or triangular, 2.5–3.2 mm, length 0.7–1.1 times sepals.

greenish or brownish, 40–85 mm, densely flowered;

bracts broadly ovate, 5–6 mm, lengths equal to sepals.

sepals asymmetric, 2.7–3.6 mm, apex acuminate;

corolla radially symmetric, lobes erect, forming a beak, 2–3.1 mm, base obtuse;

stamens 4.

sepals 5–6 mm;

corolla radially symmetric, lobes reflexed, 3–3.5 mm, base obtuse;

stamens 4.

2, dark red, 2.3–2.8 mm, adaxial face concave.

1 or 2, 2 mm.

= 24.

= 12.