Aloe greatheadii (Schnl.) Glen & Hardy.
Bot. syn.: Aloe barbertoniae Pole-Evans, Aloe comosibracteata Reynolds, Aloe davyana Schönl., Aloe graciliflora Groenew., Aloe labiaflava Groenew., Aloe longibracteata Pole-Evans, Aloe mutans Reynolds, Aloe verdoorniae Reynolds.
var. davyana. Flowers. Botanical garden Kaisaniemi, Helsinki, Finland. Greenhouse. 2008-04-28.
var. davyana. Flowerhead in bud. Botanical garden Kaisaniemi, Helsinki, Finland. Greenhouse. 2008-04-23.
Leaf rosette with flowerstalk in bud. Botanical garden Kaisaniemi, Helsinki, Finland. Greenhouse. 2008-04-18.
Leaf surface, and spines. Botanical garden Kaisaniemi, Helsinki, Finland. Greenhouse. 2006-04-22.
Leaf rosette. Botanical garden Kaisaniemi, Helsinki, Finland. Greenhouse. 2006-04-22.
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