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Kalanchoe ×hankeyi [= K. longiflora × K. sexangularis] (Crassulaceae subfam. Kalanchooideae), a new nothospecies from South Africa

. Phytotaxa. 451, 1 (Jul. 2020), 93–96. DOI:https://doi.org/10.11646/phytotaxa.451.1.9.