rhaponticum scariosum

alpine background beautiful beauty biology black botanic botany clade conservatorie cultivars cultivation evergreen flora floral floras flower flowering garden genus herb herbaceous herbs inflorescence institute macro medicinal medicine mountains natural nature outdoors perennial petal petals photo phytogeographical phytomedicine pistil plant pod poisoning poisonous rare rhapontica riverlet rose rural saponins scientific season specimen spring stamen stamens stemmacantha stigma studies taxa taxonomy toxic toxin tream vivid white wild