set of monochrome botanical sketch of branch with leaves and various marigold flowers with shading. color floral natural

abstract aromatherapy art beauty black blossom botany branch calendula care contour cosmetic daisy design drawing drawn engraving etching field floral flower flowerhead foliage grass grassland growth hand herb herbaceous herbal isolated leaf leafage line linear marigold meadow medicine monochrome nature organic outline pencil petal plant set sketch spring summer tea vector