A widespread hybrid of Hylotelephium spectabile (Boreau) H.Ohba × H. telephium subsp. maximum (L.) H.Ohba (Crassulaceae), is commonly referred to by a cultivar name, ‘Herbstfreude’. A binomial, Hylotelephium × mottramianum J.M.H. Shaw & R. Stephenson is provided for the nothospecies.
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Shaw et al. (2023) studied this question.
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