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.

2–12+, borne on short rhizome, cylindric, 2–5 × 1–2.5 cm;

outer coats enclosing 1 or more bulbs, white to light brown, membranous, without reticulation;

inner coats white, 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.

persistent, 2–6, sheathing lower 1/4–1/3 of scape;

blade terete, fistulose, 10–40 cm × 10–25 mm.

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

persistent, solitary, erect, fistulose, inflated in middle, tapering to umbel, (12–)15–70 cm × 8–25 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, 50–100-flowered, globose to ovoid, bulbils unknown;

spathe bracts persistent, 1–2, 1–3-veined, ovate, ± equal, apex 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.

narrowly campanulate to urceolate, 6–9 mm;

tepals erect, yellowish white, withering in fruit, margins entire, apex acute, outer lanceolate, inner narrowly ovate, unequal;

stamens long-exserted;

anthers white to yellow;

pollen white;

ovary crestless;

style linear, equaling stamens;

stigma capitate, obscurely 3-lobed;

pedicel 10–30 mm.

coat dull;

cells minutely roughened.

coat shining;

cells 4–6-angled, ± rectangular.

= 18.