Distribution of Argostemma Wall. (Rubiaceae), with special reference to Thailand and surrounding areas

Authors

  • Kitichate Sridith Department of Biology, Faculty of Science, Prince of Songkhla University.
  • Christian Puff Institute of Botany, University of Vienna.

Keywords:

Argostemma Wall., Rubiaceae, Thailand

Abstract

Argostemma Wall. (Rubiaceae). a disjunct genus (A frica: 2 spp.: SE Asia: > 95 spty .). has 31 taxa in Thailand of which 17 are endemic. Their distributions within the Thai noristic regions are: Northern (N) - II spp. (of which six arc endemic to the region); North-eastern (NE): I sp.;Eastern (E): 3 spp.; South-western (SW): 4 spp. ; Central (C): 3 spp.; South-eastern (SE): 5 spp. (of which one is endemic to the region): Peninsular (PEN): 18 taxa (of which seven are endemic to the region). Some species are endemic to Thailand but have wider distributions 'within the country e.g. A. concinnum (N+E+SE). A. monophyllun (NE+E+C+SE). and A. parvum (E+SE). The 14 non-endemic taxa fall into three categories: (I) "northern" species. also occurring in Myanmar, and India and/or China (Yunnan): (2) "southern" species. also in the Malay Peninsula [and/or S. Myanmar (Tenassermin in). or also on Sumatra or the Andaman Is.]; (3) widespread species (A. neurocalyx only), distributed rrom Borneo. Sumatra, and the Malay Peninsula to Indochina (and also widespread in Thailand: N+C+SE+PEN). An attempt is made to correlate distribution patterns with morphological "species groups" distinguishable within the genus.

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Author Biographies

Kitichate Sridith, Department of Biology, Faculty of Science, Prince of Songkhla University.

Department of Biology, Faculty of Science, Prince of Songkhla University. Hat Yai, Songkhla 90112, Thailand.

Christian Puff, Institute of Botany, University of Vienna.

Institute of Botany, University of Vienna. Rennweg 14. A-1030 Vienna, Austria.

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How to Cite

Sridith, K., & Puff, C. (2014). Distribution of Argostemma Wall. (Rubiaceae), with special reference to Thailand and surrounding areas. Thai Forest Bulletin (Botany), (28), 123–137. Retrieved from https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24959

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