Journal of Applied Phycology

, Volume 30, Issue 1, pp 187–195 | Cite as

Halymenia johorensis sp. nov. (Halymeniaceae, Rhodophyta), a new foliose red algal species from Malaysia

  • Pui-Ling Tan
  • Phaik -Eem LimEmail author
  • Showe-Mei Lin
  • Siew-Moi Phang
9th Asia Pacific Conference on Algal Biotechnology - Bangkok


A new Halymenia species, Halymenia johorensis sp. nov., from southern Peninsular Malaysia is proposed based on plastid-encoded large subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase (rbcL) gene analyses and detailed morphological observations. The new species is characterized by having (1) elliptical, oblong, or irregularly shaped blades, incised with some perforations, arising from a narrow-cuneate stipe attached to a discoid holdfast; (2) blades with a cartilaginous and gelatinous texture, a smooth to rugose surface, and irregularly dentate and cleft margins; and (3) isodiametric outer cortical cells and rounded to stellate inner cortical cells. RbcL sequence analyses have shown H. johorensis to be genetically distinct from other Halymenia species. Although H. johorensis is sister to Halymenia plana, these two species can be distinguished both molecularly and morphologically. Further studies are necessary to investigate the phylogenetic relationships and species diversity in this genus.


Halymenia johorensis Malaysia New species rbcRhodophyta Taxonomy 



We would like to thank University of Malaya and the Institute of Ocean and Earth Sciences for providing various research facilities. This study was funded in part by the E-science Fund (04-01-03-SF0672) and the Postgraduate Research Fund (PG081-2013A).


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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Pui-Ling Tan
    • 1
    • 2
  • Phaik -Eem Lim
    • 1
    Email author
  • Showe-Mei Lin
    • 3
  • Siew-Moi Phang
    • 1
    • 2
  1. 1.Institute of Ocean and Earth SciencesUniversity of MalayaKuala LumpurMalaysia
  2. 2.Institute of Biological SciencesUniversity of MalayaKuala LumpurMalaysia
  3. 3.Institute of Marine BiologyNational Taiwan Ocean UniversityKeelungRepublic of China

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