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.

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.

50–250 mm, glabrous or hirsute.

200–300 mm, glabrous.

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

bracts narrowly lanceolate, 2 mm, length 1–1.2 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 1.5–2 mm;

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

stamens 4.

sepals 2–2.5 mm;

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

stamens 4.

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

4 or 5(–8), 1.5–2 mm.

2–4, 2.5–3.5 mm.

= 24.

= 24.