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.

1–5, not clustered on stout, primary rhizome, ovoid to globose, 0.7–1.5 × 0.6–1.4 cm;

outer coats enclosing 1 or more bulbs, brown to grayish brown, membranous, usually distinctly cellular-reticulate, cells isodiametric or ± narrowly hexagonal, transversely elongate, without fibers;

inner coats red to purple or white, cells obscure, quadrate to ± transversely 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.

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

blade solid, flat or channeled, ± falcate, 8–27 cm × 1–3 mm, margins entire.

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

persistent, solitary, erect, solid, terete, 3–10(–20) 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, 8–25-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 7–10-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.

campanulate, 5–8 mm;

tepals erect, white with prominent green to purplish midvein, lanceolate to elliptic, ± equal, becoming involute at tip and rigid in fruit, margins entire, apex obtuse to acuminate;

stamens included;

anthers yellow;

pollen yellow or white;

ovary crestless or obscurely crested;

processes 3, low, rounded, central, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 5–15 mm.

coat dull;

cells minutely roughened.

coat shining;

cells smooth.

= 18.

= 14.