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Pakistan Journal of Biological Sciences
  Year: 2012 | Volume: 15 | Issue: 19 | Page No.: 929-935
DOI: 10.3923/pjbs.2012.929.935
 
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Geographic Distributions and Ecology of Ornamental Curcuma (Zingiberaceae) in Northeastern Thailand

Sutthira Khumkratok, Kriangsuk Boongtiang, Prasit Chutichudet and Pairot Pramaul

Abstract:
The genus Curcuma is a very important economic plant. Members of this genus were used as food, medicine and ornament plants. The objectives of this study were to examine the geographic distributions and ecological conditions in the natural habitats of Curcuma in Northeastern Thailand. Species diversity was examined using the line transect method. Ecological conditions of the species were examined using a sampling plot of 20x20 m. A total of five species were found including Curcuma angustifolia Roxb., C. alismatifolia Gagnep., C. gracillima Gagnep., C. parviflora Wall. and C. rhabdota. These species were in an altitudinal range between 290 m and 831 m above sea level. Four species (C. angustifolia, C. alismatifolia, C. gracillima and C. rhabdota) were distributed in open gaps in dry dipterocarp forest. One species, C. parviflora was found in the contact zone between dry dipterocarp and bamboo (Gigantochloa sp.) forest. C. rhabdota was found only in a habitat with high humidity and shading along the Thailand-Lao PDR border. Significant ecological conditions of the natural habitats of these Curcuma species were identified. Altitude is the most important factor when determining the geographic distributions of these Curcuma species in Northeastern Thailand.
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How to cite this article:

Sutthira Khumkratok, Kriangsuk Boongtiang, Prasit Chutichudet and Pairot Pramaul, 2012. Geographic Distributions and Ecology of Ornamental Curcuma (Zingiberaceae) in Northeastern Thailand. Pakistan Journal of Biological Sciences, 15: 929-935.

DOI: 10.3923/pjbs.2012.929.935

URL: https://scialert.net/abstract/?doi=pjbs.2012.929.935

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