Chayan Picheansoonthon – ราชบัณฑิตยสภา https://royalsociety.go.th Royal Society of Thailand Sat, 31 Dec 2022 12:14:43 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.1 https://royalsociety.go.th/wp-content/uploads/2025/10/cropped-logo-rst-1-Grayscale-150x150.jpg Chayan Picheansoonthon – ราชบัณฑิตยสภา https://royalsociety.go.th 32 32 Taxonomic Revision of the Genus Hedychium J. Ko..nig (Zingiberaceae) in Thailand https://royalsociety.go.th/taxonomic-revision-of-the-genus-hedychium-j-ko-nig-zingiberaceae-in-thailand/ Thu, 01 Dec 2011 03:00:51 +0000 https://royalsociety.go.th/?p=1351 Pornpimon Wongsuwan1
and Chayan Picheansoonthon1,2
1 Faculty of Pharmaceutical Sciences, Khon Kaen University,
2 The Academy of Science, The Royal Institute of Thailand

Abstract

The genus Hedychium J. Koönig (Zingiberaceae) in Thailand is taxonomically revised, result of which 21 species and 6 varieties are enumerated. One taxon, H. forestii Diels, is recognized here as one of the four varieties of
H. coronarium J.Ko..nig. Key to species and varieties, together with description, ecological data, geographical distributions and illustrations of the first 10 species and 4 varieties (in alphabetical order) are provided. Diagnostic characters of each taxon are also discussed.

Key words: taxonomic revision, Zingiberaceae, Hedychium J. Ko..nig, Thailand

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]]> The Genus Gagnepainia K. Schum (Zingiberaceae) in Thailand https://royalsociety.go.th/the-genus-gagnepainia-k-schum-zingiberaceae-in-thailand/ Wed, 01 Dec 2010 04:00:28 +0000 https://royalsociety.go.th/?p=1469 Chayan Picheansoonthon1,2
and Suppachai Tiyaworanant2
1 Fellow of the Royal Institute, Academy of Science
2 Pharmaceutical Botany and Pharmacognosy Research Unit,
Faculty of Pharmaceutical Sciences, Khon Kaen University

Abstract

Two rare Thai medicinal plant species of the genus Gagnepainia K. Schum. (family Zingiberaceae), G. godefroyi (Baill.) K. Schum. and G. thoreliana (Baill.) K. Schum., are enumerated. Descriptions and illustrations of both taxa are given.

Key words: Gagnepainia K. Schum., Thailand, G. godefroyi (Baill.) K. Schum., G. thoreliana (Baill.) K. Schum.

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]]> The Genus Hemiorchis Kurz (Zingiberaceae) in Thailand https://royalsociety.go.th/the-genus-hemiorchis-kurz-zingiberaceae-in-thailand/ Tue, 01 Dec 2009 05:00:04 +0000 https://royalsociety.go.th/?p=1020 Chayan Picheansoonthon

Fellow of the Royal Institute, Academy of Science. 
Pharmaceutical Botany and Pharmacognosy Research Unit, 
Faculty of Pharmaceutical Sciences, Khon Kaen University, 

Abstract 

Two species of the genus Hemiorchis Kurz (Zingiberaceae), H. burmanica Kurz and H. rhodorrhachis K. Schum., are enumerated for Thailand. Descriptions and illustrations of both taxa are given. 

Key words: Hemiorchis Kurz, Thailand, H. burmanica Kurz, H. rhodorrhachis  K. Schum. 

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