Flora of North America species comparison

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.

1–2, not clustered on primary rhizome, without stalked basal increase bulbs, ovoid, 1–1.5 × 0.8–1.3 cm;

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

inner coats pinkish to reddish brown, cells obscure, ± rectangular, vertically elongate.

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.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil level;

blade solid, terete, 5–30 cm × 1–3 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, solitary, erect, solid, terete, 5–25 cm × 1–3 mm.

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

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

persistent, erect, compact, 6–15-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2–3, 5–7-veined, ovate, ± equal, apex acuminate.

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.

narrowly campanulate, 12–18 mm;

tepals erect, spreading at tips, pale pink with darker midveins, lanceolate to lance-linear, ± equal, inner slightly shorter and narrower than outer, margins entire, apex acute, becoming rigid in fruit;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins entire to irregularly denticulate;

style linear, equaling stamens;

stigma capitate, scarcely thickened, minutely 3-lobed, lobes stout, ± spreading;

pedicel 5–15 mm.

coat dull;

cells smooth.

coat dull or shining;

cells minutely roughened.

= 14.

= 14.