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.

1–3, larger bulbs each bearing 3–10 basal bulbels surrounding roots, not clustered on stout, primary rhizome, ovoid, 1–1.5 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, thin, membranous, lacking reticulation, without persistent fibers;

inner coats whitish, cells vertically elongate or contorted, walls very sinuous.

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.

persistent, green at anthesis, 3–6, basally sheathing, sheaths not extending much above soil surface;

blades solid, flat, channeled, 15–40 cm × 1–3 mm, margins entire.

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

persistent, 1–3, clustered, erect, solid, terete, 15–40 cm × 1–4 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, loose, 10–30-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 3–4, 4–5-veined, ovate, ± equal, apex acuminate.

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.

± stellate to campanulate, 5–6 mm;

tepals erect or ± spreading, ± flexuous, white or pinkish, lanceolate, ± equal, papery and withering away from fruit, margins entire or nearly so, apex obtuse, midribs thickened;

stamens included;

anthers yellow;

pollen yellow;

ovary crestless;

style linear, equaling stamens;

stigma capitate, unlobed to distinctly lobed;

pedicel 1–2.5 mm, elongating in fruit.

coat dull;

cells minutely roughened.

coat shining;

cells smooth.

= 18.

= 14.