Flora of North America species comparison

0–20 mm.

0–20 mm.

20–150(–400) × 10–120(–170) mm;

petiole to 200 mm;

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

40–200 × 10–30 mm;

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

50–250(–500) mm, surpassing leaves or not, glabrous or hirsute.

25–200 mm, slightly surpassing leaves, glabrous.

brownish or greenish, (20–)50–300(–400) mm, densely flowered;

bracts lanceolate, 0.5–1 mm, length 0.3–0.7 times sepals.

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.

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, 1 mm, base obtuse;

stamens 4.

(2–)4–5 mm, dehiscing at middle.

5–35, 0.5–1 mm.

3 or 4, 2–2.3 mm.

= 12.

= 24.