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.

2–4, terminating thick, iris-like rhizome, elongate, 2–3 × 0.6–1 cm;

outer coats enclosing single bulb, grayish or brownish, membranous, minutely striate, cells in parallel vertical rows, narrow, elongate, not fibrous-reticulate, fibers persistent, parallel, few, coarse;

inner coats whitish, cells narrowly vertically elongate.

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, 2–5, basally sheathing, sheaths not extending much above soil level;

blade solid, flat, 10–40 cm × 2–8 mm, margins entire.

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

persistent, solitary, erect, solid, flattened and narrowly winged distally, 20–60 cm × 1.5–4 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, 7–20-flowered, subhemispheric, bulbils unknown;

spathe bracts persistent, 2, 3–5-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 urceolate, 10–13 mm;

tepals erect, pink, lanceolate, ± equal, withering in fruit, margins entire, apex acuminate, midribs somewhat thickened;

stamens included, ca. 1/2 as long as tepals;

anthers yellow;

pollen light yellow;

ovary crestless;

style linear, equaling stamens;

stigma capitate, distinctly 3-lobed;

pedicel 8–35 mm, elongating and becoming stout and curved in fruit.

coat dull;

cells minutely roughened.

coat dull or shining;

cells each with minute, central papilla, or obscurely and minutely roughened.

= 18.

= 14.