zinnia, the genus of annual and perennial herbs and half -brushes of the astraceae family. close up pink orange yellow

zinnia flowers isolated pink orange yellow background flower black exotic blooming flora blossom botany petal bloom garden nature plant floral beauty beautiful color summer bright spring colorful grow ornamental single fresh pretty petals natural pollen head gardening botanical eudicots asterids asterales asteraceae asteroideae heliantheae zinniinae chrysogonum peruvianum elegans angustifolia stamens pestlers