Prunus rubiginosa Prunus rubiginosa (Elmer) Kalkman in Blumea 13: 72. 1965≡Pygeum rubiginosum Elmer in Leafl. Philipp. Bot. 5: 1624. May 1913Elmer 14067 (); Holotype: Elmer 11857 ()=Pygeum elmerianum Koehne in Bot. Jahrb. 52: 206. Dec. 1915Elmer 12210 ()
