Sources

GBIF - Fritillaria meleagris species record — Plant family
NC State Extension Plant Toolbox - Fritillaria meleagris — Plant family, Lifespan, Height (cm), Sun needs, Water needs, Soil notes, Min. hardiness temp (°C)
PFAF (Plants for a Future) - Fritillaria meleagris — Plant family, Lifespan, Edible, Height (cm), Sun needs, Water needs, Soil notes, Harvest start month, Harvest end month, Needs pollination, Min. hardiness temp (°C), Years to maturity
Wikipedia - Snake's head fritillary — Plant family, Lifespan, Edible
Wikipedia - Fritillaria meleagris — Plant family, Lifespan, Height (cm), Soil notes, Harvest start month, Harvest end month

Snake's head fritillary

flower

Fritillaria meleagris

Fritillaria meleagris is a bulbous perennial flowering plant in the lily family (Liliaceae), native to Eurasian flood river plains. The plant is characterized by its distinctive checkered or mottled bell-shaped flowers in shades of purple, pink, or white, resembling a guinea fowl's plumage.