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Taxon  Report  
Fritillaria biflora  Lindl.
Chocolate lily
Fritillaria biflora is a perennial herb that is native to California, and endemic (limited) to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
Subspecies and Varieties:
Genus: Fritillaria
Family: Liliaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Communities: Foothill Woodland, Valley Grassland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPNFritillaria grayana
PLANTSFritillaria kamtschatcensis
Information about  Fritillaria biflora from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (FRBI)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Description, Range: Fritillaria biflora, the chocolate lily or mission bells, is a species of fritillary native to western California, US, and northern Baja California, Mexico.[2][3] It occurs in the chaparral and woodlands ecoregion, often in serpentine soil formations and hillside grassland habitats.[4] Fritillaria biflora is a bulbous herbaceous perennial up to 60 cm tall. It is called "chocolate lily" because its flowers can resemble the color of chocolate, although sometimes they are greenish purple or yellowish green.[4][5] Flowers bloom in March and April.[6] Fritillaria biflora should not be confused with Arthropodium strictum, which is also called "chocolate lily". In the latter, the scent is reminiscent of chocolate, rather than the color. The Kamchatka fritillary (F. camschatcensis) is sometimes also called "chocolate lily" in Alaska. (contributed by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/18/2024).