Flora of North America species comparison

to 50 cm × 0.1–0.7 mm.

6–10.5 cm;

blade 0.3–0.5 mm, apex ± obtuse.

alternate to subopposite, submersed, sessile;

sheath not persisting longer than blade, not leaving circular scar when shed, not ligulate, not auriculate;

blade linear;

intravaginal squamules scales, 2.

peduncles with 0–3[–4] coils, 0.5–16.5 × 0.5 mm.

terminal, capitate spikes, with subtending spathe, pedunculate;

peduncle following fertilization often elongating, often spiraling.

pistils 4–8.

bisexual; subtending bracts absent;

perianth absent;

stamens 2, in 1 series;

anthers distinct, dehiscing longitudinally;

pollen arcuate;

pistils 4–16, distinct, stipitate;

ovules parietal, campylotropous.

1.8–2 × 0.7–1.5 mm;

gynophore 1.2–1.9 cm;

beak terminal, slightly recurved, 0.6–1 mm.

drupaceous.

1;

embryo straight.

= 16.