Synonym
Encephalartos longifolius var. hookeri Miq.
Published in: Prodr. [A. P. de Candolle] 16(2): 531-532. 1868. 
(Prodr. [A. P. de Candolle] 
)
This name is considered a Synonym of Encephalartos altensteinii Lehm.
Published in: Prodr. [A. P. de Candolle] 16(2): 531-532. 1868. (Prodr. [A. P. de Candolle] )
This name is considered a Synonym of Encephalartos altensteinii Lehm.