Not an accepted name (status: unknown).
The accepted name is
Prunus subcordata Benth., 1849.
Prunus subcordata subsp. kelloggii
(Lemmon) A.E.Murray, 1890
18% complete
No common name
Pittonia 2: 67 (1890)
There is no corrections for Prunus subcordata subsp. kelloggii yet.