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.

1–3, not clustered on stout, primary rhizome, ovoid, 1–2.5(–3) × 1.2–2 cm;

outer coats enclosing 1 or more bulbs, dark reddish brown, chartaceous, lacking cellular reticulation or cells arranged in 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats light brown or white, cells obscurely 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.

persistent, withering from tip by anthesis, 1, basally sheathing, sheath never extending much above soil level;

blade solid, terete, 30–45 cm × 2–4 mm.

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

persistent, solitary, erect, ± solid, terete, 18–60 cm × 2–3 mm.

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

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

persistent, erect, compact, 18–190-flowered, hemispheric to globose, bulbils unknown;

spathe bracts persistent, 4, 3-veined, ovate, ± equal, apex long-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.

campanulate, 5–9 mm;

tepals erect, white to pink with darker midveins, unequal, becoming papery in fruit, margins entire or irregular to erose, apex acute or acuminate to long-acuminate;

outer tepals lanceolate to ovate, reflexed at tip;

inner 1/4–1/3 longer than outer, ovate to broadly ovate;

stamens exserted;

anthers yellow or purple;

pollen yellow or white;

ovary crested;

processes 6, prominent, erect, ± triangular, margins entire;

style linear, equaling stamens;

stigma capitate, obscurely to distinctly 3-lobed, lobes erect or spreading, ± stout;

pedicel 8–22 mm.

coat dull;

cells ± smooth.

coat dull;

cells minutely roughened.

= 28, 42.