Flora of North America species comparison

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 solitary, without basal bulbels, ovoid, 1–1.8 × 1–1.2 cm;

outer coats enclosing single bulb, grayish, reticulate, cells fine-meshed, open, fibrous;

inner coats whitish, cells vertically elongate, regular.

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.

persistent, withering by anthesis, 2, sheathing;

blade solid, flat, linear, 12–35 cm × 3–6 mm, margins entire or denticulate.

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

persistent, solitary, erect, terete or ± 3–4-angled, 20–40 cm × 1–3.5 mm.

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.

persistent, erect, loose, 10–25-flowered, hemispheric-globose, bulbils unknown;

spathe bracts persistent, 2–3, 5–7-veined, lanceolate, ± equal, apex acuminate.

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.

± stellate, 7–9 mm;

tepals spreading to reflexed, white to pinkish or purple, lanceolate, ± equal, remaining thin and becoming strongly reflexed in fruit, margins entire, apex acute;

stamens included;

anthers yellow;

pollen yellow;

ovary conspicuously crested;

processes 6, central, irregularly contorted;

style linear, equaling stamens;

stigma capitate, unlobed or obscurely 3-lobed;

pedicel 14–45 mm.

coat shining;

cells smooth.

coat shining;

cells each with obscure, central papilla.

= 28.

= 14.