A phylogenetic analysis of molecular and morphological characters ofHerminium(Orchidaceae, Orchideae): evolutionary relationships, taxonomy, and patterns of character evolution

Abstract

The first comprehensive phylogenetic study of the orchid genus Herminium and its allies is presented, based on seven molecular markers (nuclear internal transcribed spacer, Xdh, chloroplast matK, psaB, psbA‐trnH, rbcL and trnL‐F) and 37 morphological characters. Phylogenetic analyses indicate that Herminium as currently delimited is paraphyletic and that several genera are deeply nested within it. Based on parsimony analysis of total evidence, the generic circumscription of Herminium is expanded to include Androcorys, Bhutanthera, Frigidorchis and Porolabium. Apomorphic and plesiomorphic character states are identified for various clades recovered in this study. A few species currently wrongly assigned to Peristylus and Platanthera are here included in Herminium. All necessary new combinations are made.

A molecular phylogeny of Chinese orchids

“…In addition, two new genera ( Hsenhsua and Tsaiorchis ) have been added (Jin et al, ). Herminium has been expanded to include Androcorys , Bhutanthera , Frigidorchis , and Porolabium (Raskoti et al, ); Hemipilia has been expanded to include Amitostigma , Hemipiliopsis , Neottianthe , Ponerorchis , and Tsaiorchis (Tang et al, ). Moreover, one new monotypic genus, Shizhenia ( Amitostigma pinguicula ), has been added (Jin et al, ).…”

A taxonomic revision of Herminium L. (Orchidoideae, Orchidaceae)

“…Based on the phylogeny in Raskoti et al (2016) and previous classifications of Lang (1988), Pridgeon et al (2001), and Agrawala et al (2010), we here propose the following infrageneric classification.…”

“…Literature, including Hooker (1890), King and Pantling (1898), Tang and Wang (1937, 1940), Pradhan (1976), Lang (1988), Press et al (2000), Pearce and Cribb (2000; 2001), Boufford (2003), Chen et al (2009), Agrawala et al (2010), Averyanov (2010), Raskoti (2012, 2013), Ormerod (2013), Kurzweil (2010), and Kurzweil and Lwin (2014), was consulted for general distribution data and to assess some morphological characters of species we have been unable to examine ourselves. Thirty-seven morphological characters were compared (see Raskoti et al 2016), and a set of diagnostic characters was chosen for the preparation of a dichotomous key. Based on phylogenetic analyses (Raskoti et al 2016) and comparison of morphological characters with its relatives, a new species ( Herminium tibeticum ) is described and illustrated (see taxonomic treatment).…”

“…Thirty-seven morphological characters were compared (see Raskoti et al 2016), and a set of diagnostic characters was chosen for the preparation of a dichotomous key. Based on phylogenetic analyses (Raskoti et al 2016) and comparison of morphological characters with its relatives, a new species ( Herminium tibeticum ) is described and illustrated (see taxonomic treatment).…”

“…Wang. Raskoti et al (2016) found that these satellite genera as well as certain misplaced members of Peristylus Blume and Platanthera Rich. were nested within Herminium s.l.…”