pyrenean fritillary or pyrenean snake`s-head purple flower

039 alpine asturias bellshaped blooming boissieri botanical botany bulbous caurel color concept courel dark ecology ecosystem environment europa flora flower forest france fritillaria fritillary galicia garden leon liliaceae lily lugo natural nature pendent perennial petals picos poisonous purple pyrenaica pyrenean pyrenees season seasonal shead snake spain spring springtime subsp sustainability tepals tinged violet woodland yellow