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+, not rhizomatous, without basal bulbels, ovoid, 1.2–2.5 × 1–2 cm;

outer coats enclosing 1 or more bulbs, gray or brown, reticulate, cells fine-meshed, open, fibrous;

inner coats whitish, cells vertically elongate and regular or obscure.

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, 2, sheathing;

blade solid, ± straight, channeled, semiterete, 10–40 cm × 1–3(–5) mm, margins entire or denticulate.

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

persistent, solitary, erect, ± terete, 5–30(–40) cm × 1–3 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 to ± loose, 15–30-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 3, usually 1-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.

urceolate to campanulate, 5–7 mm;

tepals erect, white or rarely pink, with red or reddish brown midribs;

outer whorl broadly ovate to lanceolate, unequal, becoming callous-keeled and permanently investing capsule, margins often obscurely toothed apically, apex obtuse to acuminate;

inner whorl narrower, margins entire, apex distinctly spreading;

stamens included;

anthers yellow;

pollen yellow;

ovary ± conspicuously crested;

processes 6, central, distinct or connate in pairs across septa, ± erect, rounded, to 1 mm, margins entire, becoming variously developed or obsolete in fruit;

style linear, equaling filaments;

stigma capitate, unlobed or obscurely lobed;

pedicel 5–20 mm.

coat dull;

cells minutely roughened.

coat shining;

cells ± smooth, without central papillae.

= 18.

= 14, 28.