set of colorful botanical sketch of various marigold flowers with shading. color floral natural drawing

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