Accepted Species
First published in: Bot. Rev. (Lancaster) 70(2): 142-144, fig. 2. (2004).
Etymology: From the Latin collis (‘hills’), referring to its occurrence at moderate to high elevations in mountainous country of Vietnam. [source]
Haynes, JL. Etymological compendium of cycad names. Phytotaxa 2022;550(1):1-31.
Distribution: Vietnam (Son La)
IUCN Red List Conservation Status: Vulnerable A2cd+4cd; C1
References (3)