green hellebore (helleborus viridis)

alpine awakening background beautiful beauty biology black blossom botanic botany christmas christmasrose clade conservatorie evergreen flora floral floras flower flowering garden genus green growth hellebore helleborine helleborus hellobore herb inflorescence institute leaf lethargy macro medicinal medicine mountainous mountains natural nature niger outdoors perennial petal photo phytogeographical phytomedicine pink pistil plant plants pod poisoning poisonous progress ranunculaceae rare riverlet rose scientific scion season specimen sprout stamen stamens stem stigma studies sunlight symbol taxa taxonomy the undergrowth white wild winter wintertime xmas