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Chinese Journal of Oceanology and Limnology

, Volume 34, Issue 2, pp 271–282 | Cite as

Morphological study of the genus Herposiphonia (Rhodophyta, Rhodomelaceae) on the coast of eastern Guangdong, China, with a description of H. pinnata sp. nov.

  • Lanping Ding (丁兰平)
  • Huaqiang Tan (谭华强)
  • Quanliang Zhang (张全亮)
  • Lingzhao Zeng (曾令昭)
  • Bingxin Huang (黄冰心)
S1 Coastal Biodiversity under Global Change

Abstract

We present a taxonomic study of taxa of the red algae genus Herposiphonia (Rhodophyta, Rhodomelaceae), collected from the coast of eastern Guangdong, China. We made detailed morphological studies and considered recent taxonomic criteria for species delimitation, and are making the first report of five different species on the coast of Guangdong, including a new species. The species identified were H. caespitosa Tseng, H. hollenbergii Dawson, H. pecten - veneris (Harvey) Falkenberg, H. subdisticha Okamura and H. pinnata Ding and Tan sp. nov. H. pinnata sp. nov. is characterized by bright green thalli; most parts of the feathery thalli are free of the substratum; determinate branches and indeterminate branches are arranged in a chaotic sequence; the primary axis has bare segments; the determinate branch has 9–11 periaxial cells per segment; vegetative trichoblasts are abundant; and tetrasporangia are formed on the middle of the determinate branch with 1–8 successive segments in a single rectilinear series. This paper is also the first record of sporophyte plants of H. pecten-veneris.

Keywords

new species morphological taxonomy Guangdong Province biogeography distribution 

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Copyright information

© Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Lanping Ding (丁兰平)
    • 1
    • 2
  • Huaqiang Tan (谭华强)
    • 1
  • Quanliang Zhang (张全亮)
    • 1
  • Lingzhao Zeng (曾令昭)
    • 1
  • Bingxin Huang (黄冰心)
    • 1
    • 2
  1. 1.Shantou UniversityShantouChina
  2. 2.Tianjin Key Laboratory of Animal and Plant Resistance, College of Life SciencesTianjin Normal UniversityTianjinChina

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