Flora of North America species comparison

1–3, larger bulbs each usually with cluster of 10–30 easily detached bulbels to one side of base, not clustered on stout, primary rhizome, globose to ovoid, 1–1.6 × 0.8–1.5 cm;

outer coats enclosing 1 or more bulbs, brownish, membranous, without fibers;

inner coats white to pink;

inner and outer coats frequently without obvious reticulations, these, when present, contorted.

1–5+, not clustered on stout primary rhizome, rhizomes absent, renewal bulbs formed within coats of parent bulb, ovoid to ± globose, 1–2 × 0.7–2 cm;

outer coats enclosing 1 or more bulbs, gray to grayish brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats white or pinkish, cells obscure, ± quadrate.

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

blade solid, flat or channeled, 10–25 cm × 1–4 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, 8–15 cm × 2–8 mm, margins entire.

persistent, solitary, erect, solid, ± terete, sometimes ridged, 10–20 cm × 1–2 mm.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, erect, solid, flattened, frequently ± winged distally, or, in smaller specimens, ± terete, 3–12 cm × 0.5–2 mm.

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

spathe bracts persistent, 2, 5–7-veined, ovate, ± equal, apex acuminate.

persistent, erect, compact, 5–30-flowered, hemispheric to conic, bulbils unknown;

spathe bracts persistent, 2, 12–14-veined, ovate, ± equal, apex acute to acuminate.

campanulate, 6–10 mm;

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

stamens included;

anthers white or yellow;

pollen yellow;

ovary crestless or obscurely crested;

processes 3, low, central, rounded, minute;

style linear, equaling stamens;

stigma capitate, unlobed or slightly lobed;

pedicel 5–12 mm.

narrowly campanulate, 6–9 mm;

tepals erect, ± spreading toward tips, white or tinged with pink, with broad, dark, reddish purple or brown midvein, oblong to elliptic, unequal, outer longer, wider than inner, becoming papery and investing capsule, not carinate in fruit, margins entire, apex obtuse to ± acute;

stamens included;

anthers purple or yellow;

pollen yellow;

ovary obscurely crested;

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

style linear, ± equaling tepals;

stigma capitate, scarcely thickened, unlobed or obscurely 3-lobed;

pedicel 3–12 mm.

coat dull;

cells ± smooth.

coat dull;

cells smooth.

= 28, 42.

= 14.