Cohen H., Tel-Zur N., Morphological changes and self-incompatibility breakdown associated with autopolyploidization in Hylocereus species (Cactaceae), Euphytica, 2012, 184(3):345-354, doi: 10.1007/s10681-011-0536-5
Chromosome doubling, pollen compatibility and fruit and seed traits in lines of two dragon fruit species.