Flora of North America species comparison

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 from sheath, mostly shorter than scape, 2.2–11.5 cm;

sheath 0.7–2.5 cm × 1–1.8 mm, ligule occasionally hoodlike, apically 2-lobed;

blade 0.9–1.4 mm wide, apex obtuse to round.

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.

scape often purple near base, mostly exceeding leaves, 1–16.5 cm × 0.5–1 mm;

racemes 6–45 cm × 1.5–7 mm;

pedicel 1–4 × 0.2–0.3 mm.

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

pistils 6, 3 fertile, 3 sterile.

tepals elliptic, 1.3–1.7 × 0.6–1.4 mm, apex acute;

pistils 6, all fertile.

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.

fruiting receptacle without wings;

schizocarps linear to near globose, 2–4.5 × 1.5–2 mm;

mericarps linear to linear-obovate, weakly ridged, 1.5–3.5 × 0.7–1 mm, beak erect to recurved, 0.2 mm.

unavailableunknown.

= 12, 24, 36, 48, 120.