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(fritillary), a genus of bulbous plants of the family Liliaceae. The rounded bulb usually consists of two to four fleshy scales. The stem is leafy, and the leaf arrangement is alternate or whorled. The flowers, which are generally large, are solitary or in groups on the stem apex. The campanulate or turbinate perianth has six segments and basal nectaries; it is whitish, yellow, orange, or brownish, often with checkered markings. The fruit is a hexahedral, sometimes winged, capsule.
There are about 100 species of fritillary, which are distributed in the temperate zones of both hemispheres. The USSR has approximately 30 species, mainly in the Caucasus and Middle Asia. Fritillary is also encountered in the European USSR (forest-steppe and steppe zones), Western Siberia, and the Far East. It grows in meadows and steppes, among shrubbery, and along mountain slopes in alpine and subalpine zones. All species are spring-blossoming ornamentals. The best-known species are the checkered lily (F. meleagris) and the crown imperial (F. imperialis).