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 rhizomes, rhizomes absent, increase bulbs absent or ± equaling parent bulbs, never appearing as basal cluster, ovoid, 1.5–2.5 × 1–1.8 cm;

outer coats enclosing renewal and increase bulbs, brown to reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats white or pink, 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.

usually deciduous with scape, withering from tip at anthesis, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, falcate, 8–21 cm × 2–8 mm, margins entire.

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

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, strongly flattened, winged distally, 5–25 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, compact to ± loose, 10–30-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 6–9-veined, lanceolate, ± 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.

conic to campanulate, 9–15 mm;

tepals erect, reddish purple or dingy white, lanceolate, ± equal, rigid and membranous in fruit, at least inner margins denticulate with minute glands, apex long-acuminate;

stamens included;

anthers purple or yellow;

pollen yellow or white;

ovary crested;

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

style linear, equaling stamens;

stigma capitate, unlobed;

pedicel 8–15 mm.

coat dull;

cells minutely roughened.

coat dull;

cells ± smooth.

= 18.

= 14.