Prunus × subhirtella explained

Prunus × subhirtella, the winter-flowering cherry, spring cherry, or rosebud cherry,^[1] is the scientific name for the hybrid between Prunus itosakura and Prunus incisa.^{[2] [3] [4]} It is a small deciduous flowering tree originating in Japan, but unknown in the wild.

Notes and References

1. Bailey, L.H.; Bailey, E.Z.; the staff of the Liberty Hyde Bailey Hortorium. 1976. Hortus third: A concise dictionary of plants cultivated in the United States and Canada. Macmillan, New York.
2. Web site: Prunus × subhirtella . RHS . 5 March 2021.
3. https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=480607 Taxon: Prunus itosakura Siebold.
4. Toshio Katsuki. (2015) Sakura. p.33. Iwanami Shoten.