Flora of North America species comparison

0–20 mm.

0–20 mm.

40–200 × 10–30 mm;

blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually 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.

25–200 mm, slightly surpassing leaves, glabrous.

200–300 mm, glabrous.

brownish or greenish, 45–250 mm, densely flowered, rachis not clearly visible between flowers;

bracts broadly ovate, 2 mm, length 0.8–1 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 2–2.5 mm;

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

stamens 4.

sepals 2–2.5 mm;

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

stamens 4.

3 or 4, 2–2.3 mm.

2–4, 2.5–3.5 mm.

= 24.

= 24.