Flora of North America species comparison

erect, to 1 m, glabrous.

erect or straggling, 0.5–1 m, glabrous.

petiole 1–3 cm;

blade unlobed, ovate, lanceolate, or nearly linear, 8–15 × 1–6 cm, base tapering, apex long-acuminate.

petiole elongate, to 6 cm;

blade unlobed, lanceolate or ovate, to 3–11 × 1–6 cm, base tapering, apex acuminate.

dense cylindric or ovoid spikes, units 13–20 mm diam.

interrupted, lax spikelike panicles, units less than 10 mm diam.

tepals silvery white or pinkish, 3-veined, 6–8 mm, scarious, translucent;

style elongate, 4 mm, indurate and exserted at maturity;

stigmas 3.

tepals silvery, whitish, or tannish, 1-veined, ovate, 2–3 mm, membranous, margins faintly erose, apex rounded-acute;

style 0.2 mm;

stigmas 3.

3–8, 1.5 mm diam., smooth, shiny.

4–8, 0.7–1 mm diam., faintly reticulate.

4 mm.

3–3.5 mm.

= 72.

= 18.