Prunus ulmifolia is species of Prunus native to Central Asia.[1] It is often treated as a synonym of the East Asian species P. triloba . However, they are distinctly different in leaves, flowers and fruits.[2]P. triloba have slightly trilobed leaves, campanulate calyx tubes, unpitted stones, and fruits splitting when ripe,[3] whereas P. ulmifolia have leaves without lobes, cylindrical calyx tubes, stones finely pitted with irregularly branching furrows, and fruits not splitting.[4]
^Zhao, Yizhi (1996). "On the systematic position of Cerasus triloba". Acta Scientiarum Naturalium Universitatis NeiMonggol. 27 (1): 70–71.
^Lu, Lingdi; Bartholomew, Bruce (2003). "Amygdalus Linnaeus"(PDF). In Wu, Z.Y.; Raven, P.H.; Hong, D.Y. (eds.). Flora of China. Vol. 9. Beijing & St. Louis: Science Press & Missouri Botanical Garden Press. pp. 391–395.
^Linczevski, I.A. (1971) [1941]. "Section 5. Amygdalopsis (Carr.) Lincz.". In Komarov, V.L.; Shishkin, B.K.; Yuzepchuk, S.V. (eds.). Flora of the U.S.S.R. Vol. 10. Translated by Lavoott, R. Jerusalem: Israel Program for Scientific Translations. pp. 405–406.