[self-in-kuh m-pat-uh-buh l]
not capable of self-pollination.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of a plant) incapable of self-fertilization because its own pollen is prevented from germinating on the stigma or the pollen tube is blocked before it reaches the egg cell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012