Bulbs usually solitary, not clustered on stout, primary rhizome, ovoid, 1-1.5 × 0.8-1.4 cm; outer coats enclosing single bulb, reddish brown, membranous, lacking cellular reticulation or cells arranged in only 2-3 rows proximal to roots, ± quadrate, without fibers; inner coats pale brown to white or pink, cells obscure, quadrate. Leaves persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 15-25 cm × 0.5-1.5 mm. Scape persistent, solitary, erect, solid, terete, 15-35 cm × 1-2.5 mm. Umbel persistent, erect, compact, 10-35-flowered, hemispheric, bulbils unknown; spathe bracts persistent, 2-3, 5-7-veined, lanceolate to ovate, ± equal, apex abruptly acuminate. Flowers campanulate, 6-8 mm; tepals erect, white with greenish midveins, becoming deep pink to red in fruit, ovate to nearly round, ± equal, becoming papery in fruit, margins entire to finely denticulate, apex obtuse (rarely acute), shallowly emarginate; stamens included; anthers yellow; pollen yellow; ovary crested; processes 6, prominent, ± triangular, margins entire, apex emarginate; style linear, equaling stamens; stigma capitate, 3-lobed, lobes slender, recurved; pedicel spreading, straight, 7-12 mm, becoming rigid and ± reflexed in fruit. Seed coat dull; cells minutely roughened. 2n = 14. Flowering Apr--mid May. Clay soil on grassy slopes; of conservation concern; 400--900 m; Calif.
Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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