The Rubiaceae of Ko Chang, south-eastern Thailand

  • Voradol Chamchumroon The Forest Herbarium, National Park, Wildlife and Plant Conservation Department
  • Christian Puff Institute of Botany, University of Vienna
Keywords: Rubiaceae, Ko Chang, Thailand

Abstract

Ko Chang is the second largest island of Thailand. Its Rubiaceae were first treated by K. Schumann in Schmidt’s Flora of Koh Chang. He recognised 55 species in 27 genera. Based on herbarium and field work, 64 taxa belonging to 33 genera are currently recorded. Although the numbers of taxa in Schumann's treatment and ours do not widely differ, there are major changes in status of the taxa. Eight of the 27 generic names in Schumann’s treatment are no longer applicable; only 20 of the 57 taxa names are still in use. Of the 10 species newly described in the Flora of Koh Chang, only one is a good species; none of the new combinations have been maintained. Fifteen taxa have been newly recorded since Schumann’s treatment. The relatively large proportion of rubiaceous taxa showing a Ko Chang (or general south-eastern Thailand)/
peninsular Thailand disjunction is remarkable.

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Author Biographies

Voradol Chamchumroon, The Forest Herbarium, National Park, Wildlife and Plant Conservation Department
The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Chatuchak, Bangkok 10900, Thailand.
Christian Puff, Institute of Botany, University of Vienna
Institute of Botany, University of Vienna, Rennweg 14, A-1030 Vienna, Austria.
How to Cite
Chamchumroon, V., & Puff, C. (1). The Rubiaceae of Ko Chang, south-eastern Thailand. Thai Forest Bulletin (Botany), (31), 13-26. Retrieved from https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24393
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