Synonym
Cycas rumphii subsp. rumphii
Published in: in Engler, Pflanzenr. 99: 75. 1932. 
(Pflanzenr. (Engler) 
)
Type Information
This name is considered a Synonym of Cycas rumphii Miq.
Nomenclatural notes: Autonym established by the publication of Cycas rumphii subsp. zeylanica J.Schust. (in Pflanzenr. (Engler) 99 (IV. 1): 75. 1932)