Flora of North America species comparison

1–6+, replaced annually with new bulbs borne terminally on rhizomes;

rhizomes 1–2, secondary, short;

parent bulb disappearing by anthesis except for still-functional roots and shriveled bulb coat, oblique-ovoid, 1–2 × 0.8–1.8 cm;

outer coats not or only partially enclosing bulbs, brown to gray-brown, membranous, lacking cellular reticulation or cells arranged in only 2–3 rows distal to roots, ± quadrate, without fibers;

inner coats white, cells very obscurely quadrate or not visible.

solitary, not basally clustered, replaced annually by new bulbs borne terminally on rhizome;

rhizomes 1–3, conspicuous, slender, 2–3 cm, scaly;

parent bulbs persisting, often not collected, oblique-ovoid, 1–2.5 × 1 cm;

outer coats enclosing parent bulbs, grayish, lacking cellular reticulation, membranous, without fibers;

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

usually deciduous with scape, withering from tip at anthesis, (1–)2, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, falcate, 10–33 cm × 1.5–10 mm, margins sometimes minutely denticulate.

persistent, green at anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface;

blade solid, flat, not falcate, 20–35 cm × 2–3 mm, margins entire.

usually forming abcission layer and deciduous with leaves after seeds mature, frequently breaking at this level after pressing, solitary, ± erect, solid, flattened, winged distally, wings frequently crenulate proximal to umbel, 5–15 cm × 1–5 mm.

solitary, erect, solid, terete, 20–30 cm × 1–3 mm.

persistent, erect, compact, 10–25-flowered, conic to hemispheric, bulbils unknown;

spathe bracts persistent, 2, 8–10-veined, lanceolate, ± equal, apex acute.

persistent, erect, loose, 5–15(–22)-flowered, globose to hemispheric, bulbils unknown;

spathe bracts persistent, 2, 3-veined, ovate to lance-ovate, ± equal, apex acute.

campanulate, 6–12 mm;

tepals erect, pinkish with deeper pink midveins, lanceolate, ± equal, becoming papery in fruit, margins entire, apex acute;

stamens included;

anthers yellow or purple;

pollen yellow;

ovary obscurely crested;

processes 3, central, 2-lobed, minute, margins entire;

style linear, equaling stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 6–16 mm.

stellate, 6–9 mm;

tepals erect, pink with purplish or pinkish midveins, oblong to lanceolate, slightly carinate basally, ± equal, becoming papery in fruit, margins entire, apex acute to acuminate;

stamens included;

anthers yellow or pink;

pollen yellow or white;

ovary crestless, 3-grooved with thickened ridge on either side of groove;

style linear, shorter than stamens;

stigma capitate, scarcely thickened, unlobed;

pedicel 10–20(–50) mm.

coat shining;

cells smooth.

coat shining;

cells smooth.

= 14.

= 28.