Flora of North America species comparison

100–350 mm, freely branched.

0–10 mm.

cauline, opposite, 60–80 × 1–3 mm;

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

60–290 × 7–30 mm;

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

100–650 mm, hairy.

15–150 mm, hairy, hairs patent, long.

greenish or brownish, (50–)150–250 mm, densely flowered, eglandular;

bracts proximal strongly differing from distal, ovate, 2–5(–7) mm, length 1–1.5 times sepals, proximal bracts: apex acute.

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.

sepals 2–3 mm;

corolla radially symmetric, lobes reflexed, 2–4 mm, base obtuse;

stamens 4.

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.

2, 2–2.5 mm.

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

= 12.

= 24.