Custard apple, Rollinia deliciosa – flowers July 25, 2012 · by rathomas49 · in Vascular Plants. · Photo by Bob Thomas, Trinidad, June 1988. These propellers look more like seeds than the flowers that they are. Thanks to Dr. Julian Duncan, eminent retired botanist of the University of the West Indies, Trinidad. AdvertisementShare this:TwitterFacebookLike this:Like Loading... Related