Flora of North America species comparison

1–12+, not basally clustered, not forming rhizomes, ovoid to ± globose, 0.8–1.6 × 0.9–1.6 cm;

outer coats enclosing 1 or more renewal bulbs, ± yellow-brown, prominently cellular-reticulate, membranous, cells square or polygonal, walls thick, obscurely sinuous, without fibers;

inner coats white, cells obscure, ± quadrate.

1–6+, not basally clustered, replaced annually by new bulbs borne terminally on rhizomes;

rhizomes 1–3, inconspicuous, slender, less than 2 cm including renewal bulb;

parent bulbs disappearing by anthesis except for still-functional roots and bulb coat, oblique-ovoid to ± oblong, 0.7–1.4 × 0.5–1.2 cm;

outer coats not enclosing bulbs, brown to gray-brown, ± obscurely reticulate, membranous, reticulum delicate, cells transversely elongate, V-shaped or ± wavy, forming obscure herringbone pattern, without fibers;

inner coats white, cells obscure, quadrate to ± rectangular, often contorted.

persistent, withering from tip by anthesis, 2–3, basally sheathing, sheaths not extending much above soil surface;

blade solid, subterete or ± channeled, 7–30 cm × 1–3 mm, margins entire.

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

blade solid, subterete to ± channeled, 9–30 cm × 1–2 mm, margins entire.

persistent, solitary, erect, solid, terete, 10–35 cm × 1–3 mm.

persistent, solitary, erect, solid, terete, 10–35 cm × 1–3 mm.

persistent, erect, loose, 10–40-flowered, hemispheric, bulbils unknown;

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

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

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

campanulate, 8–15 mm;

tepals erect, pink to rose-purple, or white, lanceolate to lance-ovate, unequal, becoming rigid and keeled in fruit, margins finely denticulate (inner tepal more prominently so), apex acuminate, outer tepal longer and wider than inner, spreading to recurved at tip, inner tepal with strongly recurved tips;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

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

style linear, equaling stamens;

stigma capitate, scarcely thickened, obscurely 3-lobed;

pedicel 6–25 mm.

conic to campanulate, 7–14 mm;

tepals erect, reddish purple, rarely white, narrowly lanceolate to lance-ovate, ± equal, becoming rigid and carinate in fruit, margins finely denticulate (inner tepal more prominently so), apex acute to obtuse, becoming involute at tip and appearing acuminate;

stamens included;

anthers yellow;

pollen yellow;

ovary crested;

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

style linear, equaling stamens;

stigma capitate, obscurely 3-lobed, scarcely thickened;

pedicel 10–20 mm.

coat dull or shining;

cells minutely roughened.

coat dull;

cells minutely roughened.

= 14.