Flora of North America species comparison

2–5+, clustered, often short-rhizomatous at base, rhizome not stout or iris-like, oblong, elongate, 1–3 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, grayish or brownish, membranous, minutely striate, cells in regular vertical rows, narrowly elongate, fibers persistent, parallel, few;

inner coats white to pink or reddish, cells in regular vertical rows, narrowly elongate.

usually solitary, not clustered on stout, primary rhizomes, ovoid, 1.3–2 × 1.4–2 cm;

outer coats enclosing single bulb, dark reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats light brown, cells obscure, quadrate.

persistent, green at anthesis, 3–5, basally sheathing, sheaths not extending much above soil level;

blade solid, flat, channeled to broadly V-shaped in cross section, 10–25 cm × 1–6 mm, margins entire or denticulate.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface;

blade solid, terete, 30–55 cm × 2–4 mm.

persistent, sometimes 2 or more produced successively from single bulb, usually clustered, nodding, solid, terete or ridged, particularly distally, sometimes flattened and narrowly winged, abruptly recurved near apex, 10–50 cm × 1–3 mm.

persistent, solitary, erect, solid, terete, 25–50 cm × 2–4 mm.

persistent, cernuous, loose, 8–35-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, 2, 3-veined, lanceolate, ± equal, apex acuminate, beakless.

persistent, erect, compact, 20–60-flowered, hemispheric, bulbils unknown;

spathe bracts persistent, usually 3, 7–8-veined, ovate, ± equal, apex attenuate.

campanulate, 4–6 mm;

tepals ± erect, pink or white, elliptic-ovate, ± equal, withering in fruit, margins ± entire, apex ± obtuse, at least outer tepals strongly incurved, midribs not thickened;

stamens exserted;

anthers yellow;

pollen yellow;

ovary conspicuously crested;

processes 6, flattened, ± triangular, margins entire or toothed;

style exserted, linear, ± equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–25 mm, becoming stouter in fruit, elongating and bending abruptly upward from near point of attachment.

saucer-shaped, 6–8 mm;

tepals spreading from base, white or flushed with pink, broadly ovate, ± equal, becoming papery in fruit, margins entire, apex obtuse to nearly round, not recurved at tip;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

processes 6, prominent, ± triangular, margins laciniate;

style linear, equaling stamens;

stigma capitate, 3-lobed, lobes slender, recurved;

pedicel 7–20 mm.

coat dull or shining;

cells smooth, minutely roughened, or each with minute, central papilla.

coat dull;

cells minutely roughened.

= 14.

= 14.