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Article
Published: 2021-07-06

Expansion of the orchid genus Coelogyne (Arethuseae; Epidendroideae) to include Bracisepalum, Bulleyia, Chelonistele, Dendrochilum, Dickasonia, Entomophobia, Geesinkorchis, Gynoglottis, Ischnogyne, Nabaluia, Neogyna, Otochilus, Panisea and Pholidota

Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK; Department of Environment and Agriculture, Curtin University, Bentley, Western Australia 6102, Australia
Naturalis Biodiversity Center, Leiden, The Netherlands
Indonesia International Institute for Life-Sciences, Jakarta, Indonesia
Center for Plant Conservation, Bogor Botanic Garden, Indonesian Institute of Sciences (LIPI), Bogor, Indonesia
Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK
Coelogyninae Asian orchid genera orchid classification Monocots

Abstract

Coelogyne has been shown in analyses of molecular data to be polyphyletic with 14 other genera of Coelogyninae (Arethuseae) embedded. Three possible solutions to establish an alternative classification are considered: lumping all of these in the oldest genus, in this case Coelogyne, distinguishing two genera corresponding to the two main clades in the alliance or recognition of many new genera to accommodate the groups of Coelogyne that are more closely related to some of these other genera. The second and third alternatives are considered non-viable because there are no reliable morphological characters that can be used to identify these taxa. Here, we make the necessary combinations and new names to make the first option possible.

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