A name echoing the name of the locality where it was found, the Wollemi National Park less than 150 km north of Sydney.

A genus consisting of a single species. Trees mostly cylindrical in outline, sometimes growing with multiple trunks. Branches irregular, leaves of three kinds but most noticeably in a single plain on each side of the main branches. Male and female cones are borne on the same tree and are terminal on the branches. Male cones cylindrical, female coes spiny, the scales winged and with a central ovule. The cones disintegrate at maturity leaving a thick central axis. Seeds surrounded by a membranous wing. 

Restricted to a small population of about 20 clonal trees in a sheltered gorge surounded by sandstone cliffs in a remote part of the Wollemi National Park just north of Sydney.

Created by: Roger Spencer

Updated by: Roger Spencer, June 2018