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New combinations in Campanulorchis (Orchidaceae: Epidendroideae): a reappraisal of the genus

Publication at Faculty of Science |
2017

Abstract

Tribe Podochileae are a systematically highly challenging orchid group. Although the delimitation of Podochileae is relatively stable and monophyly of this tribe was confirmed by DNA-based phylogenetic analysis (Ng 2002), taxonomic categories within this group have changed frequently.

Some groups are well separated morphologically and have been widely accepted as separate genera for a long time, whereas the majority of species was usually placed into a single genus Eria Lindley (1825: 904). Morphological traits have indicated polyphyly of this genus, which led some authors at various times to propose segregate genera.

Nevertheless, these concepts were poorly supported by relevant data, and other authors retained these species in Eria s.l. Finally, combined DNA analysis confirmed the polyphyly of Eria (Ng 2002) and resulted in recognition of several previously neglected groups at generic level (Cribb & Ng 2005), including Campanulorchis Brieger (1981: 750).

Campanulorchis was originally proposed by Brieger (1981) with the single species C. globifera Brieger (1981: 750). Seidenfaden (1982, 1992) demonstrated that this species was likely to be closely related to other species of Eria and classified it in Eria sect.

Strongylaria Pfitzer (1888: 175).