Flora of North America species comparison

0–20 mm.

0–20 mm.

20–150 × 10–120 mm;

petiole to 200 mm;

blade ovate to cordate-ovate, margins entire or toothed, veins conspicuous, surfaces glabrous or hirsute.

ascending, 180–250 × 6–20 mm;

blade linear to lanceolate or oblanceolate, margins entire, rarely toothed, veins conspicuous, surfaces glabrate or hairy, hairs 1 mm.

50–250 mm, glabrous or hirsute.

50–230 mm, not groove-angled, hairy or glabrous.

brownish or greenish, 50–300 mm, densely or loosely flowered;

bracts narrowly lanceolate, 2 mm, length 1–1.2 times sepals.

grayish or whitish, 80–350 mm, usually densely flowered, shiny;

corolla lobes of neighboring flowers often overlapping;

bracts broadly ovate, 1.8–2 mm, length 0.9–1 times sepals.

sepals 1.5–2 mm;

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

stamens 4.

sepals 2 mm, adaxial 2 nearly distinct;

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

stamens 4.

4–6(–8) mm, dehiscing proximal to middle.

4 or 5(–8), 1.5–2 mm.

3–7, 1–1.8 mm.

= 24.

= 12.