Flora of North America species comparison

1–5+, without cluster of basal bulbels, not clustered on stout primary rhizome, ± globose, 0.5–1.2 × 0.5–1 cm;

outer coats enclosing 1 or more bulbs, brownish, membranous, reticulate;

cells very fine, often obscure, narrow, ± transversely elongate, intricately contorted, without fibers;

inner coats white to pink, cells obscure, transversely elongate, intricately contorted.

usually solitary, not clustered on stout, primary rhizome, ovoid, 1.5–2.5 × 1–1.5 cm;

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

inner coats white, cells not visible.

usually persistent, withering from tip by anthesis, 2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, ± falcate, linear, channeled, 7–24 cm × 0.5–3 mm, margins entire.

usually deciduous with scape, withering from tip at anthesis, 1, basally sheathing, sheath not extending much above soil surface;

blade solid, flat or broadly channeled, ± falcate, 8–33 cm × 1–10 mm, margins entire.

persistent, solitary, erect, solid, terete or slightly flattened to very narrowly winged, 3–15 cm × 0.5–2 mm.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, terete, 2–20 cm × 1–3 mm.

persistent, erect, compact, 10–20-flowered, hemispheric to globose, bulbils unknown;

spathe bracts persistent, 2, 4–6-veined, ovate, ± equal, apex acuminate.

persistent, erect, compact, 8–20(–30)-flowered, globose to conic, bulbils unknown;

spathe bracts persistent, 3, 9–13-veined, broadly ovate, ± equal, apex abruptly acuminate.

campanulate, 5–8 mm;

tepals erect, white with prominent greenish or pink midribs, lanceolate, ± equal, becoming papery in fruit, margins entire, apex obtuse to acuminate, ± involute at tip;

stamens included;

anthers yellow;

pollen yellow;

ovary crestless or obscurely crested;

processes 3, low, rounded, margins entire;

style linear, equaling stamens;

stigma capitate, unlobed;

pedicel 3–10 mm.

conical to campanulate, 7–10 mm;

tepals strictly erect, dull purplish with darker midveins, ovate, ± equal, becoming membranous, withering in fruit, margins entire, apex obtuse;

stamens equaling tepals or ± exserted;

filaments smooth proximally;

anthers purple;

pollen yellow or gray;

ovary crestless or crested;

processes 6, central, rounded, minute, margins entire;

style linear, slightly longer than stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–10 mm.

coat dull or shining;

cells smooth.

coat shining;

cells smooth.

= 14.

= 14.