Flora of North America species comparison

0–5 mm.

0–20 mm.

20–70 × 1–2 mm;

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

20–150 × 10–120 mm;

petiole to 200 mm;

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

15–60 mm, hairy, sometimes glabrous.

50–250 mm, glabrous or hirsute.

greenish or brownish, 20–100 mm, loosely or densely flowered;

bracts triangular-ovate, 1.5–2 mm, length 0.9–1.1 times sepals.

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

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

sepals 1.5–2 mm;

corolla radially symmetric, lobes erect, forming a beak, 0.5 mm, base obtuse;

stamens 2.

sepals 1.5–2 mm;

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

stamens 4.

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

4, 0.8–1.3 mm.

4 or 5(–8), 1.5–2 mm.

= 12.

= 24.