purple flower aster alpinus or alpine aster purple or lilac flower with a bee collecting pollen or nectar

alpine alpinus arboretum aster asteraceae asterinae beautiful beauty bed bee bloom blossom blue collecting daisy farreri farrers flora florescence floret flower flowerhead fragility fragrance garden growing head herb like lilac natural nature nectar orange outdoor perennial petal pistil plant pollen purple spring stamen summer top violet yellow