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Issue: Vol. 275 No. 3: 21 September 2016
Type: Article
Published: 2016-09-21
DOI: 10.11646/phytotaxa.275.3.5
Page range: 277–286
Abstract views: 30
PDF downloaded: 1

Morphological and molecular evidence for a new species from China: Dendrobium zhenghuoense (Epidendroideae; Orchidaceae)

College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China Orchid Conservation and Research Center of Fujian Agriculture and Forestry University, Fuzhou 350002, China
College of Landscape, Fujian Agriculture and Forestry University, Fuzhou 350002, China Orchid Conservation and Research Center of Fujian Agriculture and Forestry University, Fuzhou 350002, China
College of Landscape, Fujian Agriculture and Forestry University, Fuzhou 350002, China Orchid Conservation and Research Center of Fujian Agriculture and Forestry University, Fuzhou 350002, China
College of Landscape, Fujian Agriculture and Forestry University, Fuzhou 350002, China Orchid Conservation and Research Center of Fujian Agriculture and Forestry University, Fuzhou 350002, China
Chinese orchids Dendrobium sect. Dendrobium Dendrobium phylogeny Dendrobiinae Malaxideae Monocots

Abstract

We conducted morphological and molecular analyses to describe a new species of orchid, Dendrobium zhenghuoense, which was observed in northern Fujian Province, China. Detailed morphological comparisons between the newly discovered orchid and other members of Dendrobium indicate that D. zhenghuoense is similar to D. luoi, but it can be distinguished by its shorter peduncle, longer lip, pedicel & ovary, as well as the size of its mentum. Molecular analyses based on the ITS of the nuclear ribosomal and plastid DNA (rbcL, matK-trnK, trnH-psbA and trnL-F) support the claims that D. zhenghuoense is a new species in sect. Dendrobium and is genetically similar to D. luoi and D. leptocladum.