Accepted Species
First published in: Brittonia 54(4): 299, fig. 1 (2002 publ. 2003). (2003).
Etymology: From the Latin petraeus (‘of rocky places’), referring to its habitat of bare limestone cliffs and boulders. [source]
Haynes, JL. Etymological compendium of cycad names. Phytotaxa 2022;550(1):1-31.
Distribution: Laos (Vientiane),Thailand (Loei)
IUCN Red List Conservation Status: Near Threatened
References (4)