First published in: Guihaia 16(1): 1. (1996).

Etymology: From the Latin sex (‘six’) and seminifera (‘seed-bearing’), referring to the six seeds on the megasporophyll of the type specimen. [source]

Taxonomic Synonyms:

• = Cycas brevipinnata Hung T.Chang, Y.Y.Huang & Y.C.Zhong, Acta Sci. Nat. Univ. Sunyatseni 37(4): 8. (1998).
  
• = Cycas longisporophylla F.N.Wei, Guihaia 17(3): 209. (1997).
  
• = Cycas septemsperma Hung T.Chang, Y.Y.Huang & H.X.Zheng, Acta Sci. Nat. Univ. Sunyatseni 37(4): 8. (1998).
  
• = Cycas spiniformis J.Y.Liang, Guihaia 17(3): 211. (1997).
  

Distribution: China (Guangxi), Vietnam (Cao Bang, Ninh Binh, Thanh Hoa)

IUCN Red List Conservation Status: Near Threatened

Reference Links (5)