snowball tree
Noun
Words related to the picture: Viburnum opulus~L, guelder-rose~N, guelder rose~N, water elder~N, cramp bark~N, snowball tree~N, common snowball~N, European cranberrybush~N, marsh elder~N, cranberry tree~N, highbush cranberry~N, cranberry bush~N, red elder~N
Original uploader was Wouter Hagens at en.wikipediasource