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Perennial herbs with bulbs. Leaves basal, linear to narrowly elliptic, perennial. Inflorescence a scapose head or umbel; spathe 2-valved. Flowers bisexual, ±regular, sessile or pedicellate, white, often fragrant. Perianth tubular below, 6-lobed above. Stamens 6; filaments long, joined at base by a membranous corona; anthers linear, dorsifixed, versatile, dehiscing by slits, introrse. Ovary inferior, trilocular with 2 basal ovules per locule; style filiform; stigma capitate, small. Fruit a capsule. Seeds large, with green fleshy testa.
Bulbous herbs. Leaves radical, sessile or subpetiolate. Inflorescences umbellate, many-to 2-flowered, with 2 spathes. Flowers white. Tepals equal, united into a long tube; segments erect to patent. Stamens inserted in the throat, basally connected by a thin membrane (false corona) which is entire to deeply incised between the filaments. Ovary with 1-9 ovules near the bottom of each cell; style filiform; stigma entire and small. Fruits fleshy, finally rupturing laterally. Seeds spongy, green.
Perianth tubular at base, with narrow elongate segments; corona conspicuous, membranous, connecting the filaments and apparently bearing the stamens on its margin; ovary inferior, with 2 ovules in each of the 3 locules; style slender, elongate; perennial scapose herbs from a coated bulb, with long, sessile basal lvs and a terminal umbel of large, white, sessile fls subtended by scarious bracts. 50, warm Amer.
