Flora of North America species comparison

occasionally with tubers.

stout.

erect from sheath, mostly longer than scapes, 4–35 cm;

sheath 1.1–7.5 cm × 0.7–1 mm, ligule not hoodlike, unlobed;

blade 0.2–5 mm wide, apex round-acute.

erect, terete;

sheath with ligule apically entire or 2-lobed.

scape green to brown, mostly exceeded by leaves, 4.5–21.5 cm × 0.3–1.6 mm;

racemes 0.6–20.3 × 0.4–1.3 cm;

pedicels 0.4–2.1 × 0.1–0.3 mm.

spikelike racemes, scapose;

scapes shorter than to longer than leaves.

tepals oval to elliptic, 0.6–1 × 0.8–0.9 mm, apex obtuse;

pistils 6, 3 fertile, 3 sterile.

bisexual, of 1 type, short-pedicellate;

tepals 6, in 2 series, distinct, yellow-green, conchiform;

stamens 4 or 6;

anthers nearly sessile;

pistils 6, 3 fertile, 3 sterile or 6 fertile, separating when mature;

ovules 1 per locule;

styles absent.

fruiting receptacle with wings;

schizocarps globose to broader than long, 1–2 × 1.5–2.3 mm;

mericarps obovate, strongly 3-keeled, 1–1.5 × 0.5–0.9 mm, beak reflexed, ca. 0.2 mm.

schizocarps, globose to linear in fruit;

mericarps 3 or 6.

unavailableunknown.

= 6.