Flora of North America species comparison

5–20+, not clustered on stout primary rhizome, rhizomes absent, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1–2 × 1–2 cm;

outer coats enclosing renewal bulbs, ± translucent, yellow-brown, obscurely cellular-reticulate, thin, membranous, meshes delicate, cells vertically elongate, contorted, without fibers;

inner coats white, cells obscure, quadrate, or not visible.

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.

persistent, green at anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, not falcate, ± carinate, 15–50 cm × 3–15 mm, margins entire.

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.

persistent, clustered, 1–4, erect, solid, sharply 3-angled, 10–40 cm × 1–10 mm.

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.

persistent, lax, loose, 3–15-flowered, ± 1-sided, bulbils unknown;

spathe bracts persistent, 1–2, 3-veined, narrowly lanceolate, ± equal, apex acute.

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

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

becoming pendent, campanulate, 10–18 mm;

tepals erect to spreading, white with prominent green midrib, lanceolate, ± equal, becoming membranous in fruit, margins entire, apex acute;

stamens included;

anthers yellow;

pollen yellow;

ovary crestless;

style linear, ± equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 15–25 mm.

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.

coat dull;

cells minutely roughened.

coat dull or shining;

cells smooth.

= 18.

= 14.