black haw flower cluster - viburnum prunifolium

aesculetin black blackhaw bloom blooming blossom blossoms bush calyx clibutyl cluster cramps deciduous flower flowers focus gynecological haw hemimellitate medicinal medicine menstrual methyl prunifolium salicin scopoletin seletive shrub stag sweet tannin urn viburnin viburnum white wildflower wildflowers wood woodland woods nature plant flora botany