Assertion: sour cherry | /r/HasProperty | tetraploid
Facets:
Source sentences:
text: Prunus cerasus, a tetraploid with 2n=32 chromosomes, is thought to have originated as a natural hybrid between Prunus avium and Prunus fruticosa in the Iranian Plateau or Eastern Europe where the two species come into contact.
text: However, sour cherry (Prunus cerasus), a tetraploid species resulting from hybridization of the diploid sweet cherry (P. avium) and tetraploid ground cherry (P. fruticosa), is an exception, consisting of both self-incompatible (SI) and SC individuals.