Flora of North America species comparison

usually solitary, not clustered on stout, primary rhizome, ovoid, 0.8–1.6 × 0.6–1.4 cm;

outer coats enclosing single bulb, brownish, membranous, with ± obscure reticulations, cells isodiametric to transversely elongate, often contorted, without fibers;

inner coats white to pink, cells obscure, quadrate.

1–3+, not clustered on stout primary rhizome, rhizomes absent, renewal bulbs formed within coats of parent bulb, increase bulbs absent or 1–2, ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1–2 cm × 8–15 mm;

outer coats grayish to brownish, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats white, cells absent or ± quadrate.

usually dedicuous with scape, green at anthesis, 2, basally sheathing, sheaths not extended much above soil surface;

blade solid, flat to ± terete, linear, broadly channeled, 4–22 cm × 1–2 mm, margins entire.

usually deciduous with scape, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, strongly falcate, 5–18 cm × 1–2 mm, margins entire.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, slightly flattened, very narrowly winged or not, 1–5 cm × 0.5–2 mm.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, flattened, slightly 2-edged, 3–7 cm × 1–3 mm.

persistent, erect, compact, 5–15-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 6–9-veined, ovate, ± equal, apex obtuse or acute.

deciduous with scape, erect, compact, 5–12-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 5–8-veined, ovate, ± equal, apex abruptly acute.

campanulate, 5–9 mm;

tepals erect, white with green or reddish midribs or rarely pink, oblong to lanceolate, ± equal, becoming papery in fruit, margins obscurely to distinctly denticulate-serrulate, apex obtuse to acuminate;

stamens included;

anthers purple or mottled purple and white;

pollen white or gray;

ovary crested;

processes 3, low, rounded, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 2–5 mm.

campanulate, 7–9 mm;

tepals erect, white to pale pink with red midribs, oblong, ± equal, becoming papery and not carinate in fruit, margins entire, apex obtuse;

stamens included;

anthers purple;

pollen gray or yellow;

ovary ± distinctly crested;

processes 3 or 6, central, low, rounded, margins entire;

style included, linear;

stigma capitate, unlobed;

pedicel 3–12 mm.

coat dull or shining;

cells smooth.

coat dull;

cells smooth.

= 14.

= 14.