Flora of North America species comparison

sometimes prostrate and stolon- or rhizomelike with scaly leaves, 7–20(–30) cm;

above-ground stem not densely leafy.

3–10 cm, base often buried with long internodes and scalelike leaves, above-ground portion densely leafy with overlapping leaves.

of main stems clasping at base, leaves of main stem sometimes connate, arched-spreading;

blade linear, terete or subterete, at least in distal 1/2, 5–20(–30) × 0.7–1.5 mm, apex sharply acute or apiculate, sometimes retuse.

of main stems often auriculate-clasping at base;

blade flat (not terete) with keel-like midrib, broadly ovate, 2.3–4(–4.7) × 2.5–3.5 mm at base, apex mucronate or apiculate.

solitary, sessile flowers, or if 2–3-flowered, additional flowers short-pedicelled.

solitary, sessile flowers.

perianth segments erect, pinkish to yellowish brown, 1-veined, ovate, 2–3.3 mm;

stamens included;

filaments shortly connate basally;

style longer than stigmatic branches.

perianth segments erect, pinkish, ovate, 2.3–3.5 mm;

stamens included;

filaments shortly connate basally;

style equaling stigma branches.

brown, ca 1.2 mm.

black, ca 1.2 mm, shiny.

concealed by persistent calyx.

concealed by persistent calyx.

= 18.