Accepted Species
First published in: Bothalia 10(4): 539-546. (1972).
Etymology: Honoring Denis Heenan (1927–2003) of Swaziland, who recognized it as a distinct species and brought it to the attention of Dr. Robert Allen Dyer, who formally described it. [source]
Haynes, JL. Etymological compendium of cycad names. Phytotaxa 2022;550(1):1-31.
Distribution: Eswatini, South Africa (Mpumalanga)
IUCN Red List Conservation Status: Extinct in the Wild
References (3)