Flora of North America species comparison

0–10 mm.

0–20 mm.

30–80 × 1–4 mm;

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

100–300 × 80–200 mm;

petiole to 300 mm;

blade broadly oval to cordate-ovate, margins entire, veins conspicuous, laterals branching from midvein distal to base, surfaces glabrous.

5–60 mm, hairy, sometimes glabrous.

200–300 mm, glabrous.

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

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

brownish or greenish, 100–500 mm, loosely flowered, rachis visible between flowers;

bracts round-ovate, 2 mm, length 0.8–1 times sepals.

sepals 2 mm;

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

stamens 2.

sepals 2–2.5 mm;

corolla radially symmetric, lobes spreading, 2–2.5 mm, base obtuse;

stamens 4.

10–25(–30), 0.5–0.8 mm.

2–4, 2.5–3.5 mm.

= 12.

= 24.