Smith, G.F. & Figueiredo, E. (2022)

Aloe hankeyi (Asphodelaceae subfam. Alooideae; Aloe sect. Leptoaloe), a new species from northern South Africa

. Phytotaxa 549 (1): 122–126. https://doi.org/10.11646/phytotaxa.549.1.12