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Surapon Saensouk
Plant and Invertebrate Taxonomy and Its Applications Unit Group, Walai Rukhavej Botanical Research Institute, Mahasarakham University. Kantarawichai District, Maha Sarakham, 44150, Thailand
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Six new species and a new record of Curcuma L. (Zingiberaceae) from Thailand Surapon Saensouk; Thawatphong Boonma; Piyaporn Saensouik
Biodiversitas Journal of Biological Diversity Vol. 22 No. 4 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220410

Abstract

Abstract. Saensouk S, Boonma T, Saensouk P. 2021. Six new species and a new record of Curcuma L. (Zingiberaceae) from Thailand. Biodiversitas 22: 1658-1685. All six new species and a new record of Curcumawere described with detailed illustrations, photographs, summaries for their distribution, ecology, IUCN conservation status, and followed by a new record and key to 63 species of Curcuma revised and present in Thailand. The study surveyed six new species and a new record of Curcuma to collect, describe, measure, and illustrate the living and spirit specimens under a stereoscopic microscope. Plant materials and photographs were collected in the field from 2018 to 2019. The results of the study described six new species, including Curcuma chantaranothaii Boonma & Saensouk sp. nov., C. charanii Boonma & Saensouk sp. nov., C. rangsimae Boonma & Saensouk sp. nov., C. phrayawan Boonma & Saensouk sp. nov., C. puangpeniae Boonma & Saensouk sp. nov., C. purpurata Boonma & Saensouk sp. nov., and a first new record of C. peramoena. All six new species were recognized to be endemic to Thailand.
Short Communication: Curcuma wanenlueanga (Zingiberaceae), a new species of subgenus Curcuma from Thailand Surapon Saensouk; Thawatphong Boonma; ADISAK THOMUDTHA; PARIYA THOMUDTHA; Piyaporn Saensouk
Biodiversitas Journal of Biological Diversity Vol. 22 No. 7 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220752

Abstract

Abstract. Saensouk S, Boonma T, Thomudtha A, Thomudtha P, Saensouk P. 2021. Short Communication: Curcuma wanenlueanga (Zingiberaceae), a new species of subgenus Curcuma from Thailand. Biodiversitas 22: 2988-2994. Curcuma wanenlueanga Saensouk, Thomudtha & Boonma, a new species of Curcuma subgenus Curcuma (Zingiberaceae) from Thailand was described with detailed illustrations, and photographs. The dominant morphological description is terminal inflorescence, leaf adaxially green with reddish-purple along the midrib, leaf-sheath with reddish-brown tinge. Moreover, the color and smell rhizome of C. wanenlueanga has yellow with a darker core internally. It is distributed in Mae Hong Son Province, Northern Thailand, and cultivated throughout the country, i.e. Nakhon Nayok, Maha Sarakham, Chiang Mai, Tak, Chantaburi, Suratthani, and Kanchanaburi Provinces. It is used as Thai traditional medicinal. It grows in in sandy loam soil and well-drained in the mixed-deciduous forest, at elevation 700-900 m asl. It is accompanied by a revised key to 26 species of Curcuma subgenus Curcuma from Thailand.
Taxonomic studies and three new records on genus Geostachys (Baker) Ridl. in Thailand Piyaporn Saensouk; Surapon Saensouk
Biodiversitas Journal of Biological Diversity Vol. 22 No. 7 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220760

Abstract

Abstract. Saensouk P, Saensouk S. 2021. Taxonomic studies and three new records on genus Geostachys (Baker) Ridl. in Thailand. Biodiversitas 22: 3057-3067. A comprehensive taxonomic study and three new records of genus Geostachys (Baker) Ridl. in Thailand have not been reported. This research aimed to study the taxonomical aspect of the genus Geostachys in Thailand based on herbarium collections, fresh materials, and available literatures. Nine species of Geostachys have been recognized with their updated nomenclature in Thailand, namely G. angustifolia K. Larsen, G. chayanii Mayoe, G. decurvata (Baker) Ridl., G. holttumii K. Larsen, G. kerrii K. Larsen, G. penangensis Ridl., G. pierreana Gagnep., G. smitinandii K. Larsen, and. G. tratensis Picheans. & Mayoe. Three species, namely G. decurvata, G. pierreana, and G. penangensis are found to be new records to Thailand. Six species, namely G. angustifolia, G. chayanii, G. holttumii, G. kerrii, G. smitinandii, and G. tratensis were endemic to Thailand. The identification key to species, detailed descriptions, photographs, vernacular name, geographical distribution, ecology, phenology, conservation status, and taxonomic notes have been provided.
A new species and a new record of Curcuma subgen. Curcuma (Zingiberaceae) from Northern Thailand Surapon Saensouk; Thawatphong Boonma; Piyaporn Saensouk
Biodiversitas Journal of Biological Diversity Vol. 22 No. 9 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220903

Abstract

Abstract. Saensouk S, Boonma T, Saensouk P. 2021. A new species and a new record of Curcuma subgen. Curcuma (Zingiberaceae) from Northern Thailand. Biodiversitas 22: 3617-3626. Recent fieldwork to study the species diversity of the Zingiberaceae family in Thailand and preparing a revision of the Curcuma genus for the Flora of Thailand, an undescribed species of Curcuma uses as traditional medicinal for more than two decades well known in the Thai vernacular name “Rang-Jued” was found, this vernacular name is also used to call the other two medicinal plants belonging to different families which are Thunbergia laurifolia Lindl. (Acanthaceae), and Crotalaria spectabilis Roth (Fabaceae), thus some villagers are named Curcuma rangjued as “Rang-Jued-Khamin” to communicate specifically identify species in order to use correct species for each utilization. While Thunbergia laurifolia was called "Rang-Jued-Thao", which "Thao" means "vine" refers to its habit and Crotalaria spectabilis was called "Rang-Jued-Ton" which "Ton" means "stem" refers to its erect stems. After comparing this undescribed species of Curcuma with its allies species, we found that this species did not match with any existing taxa, thus described with detailed illustrations, photographs, summaries for its distribution, ecology in the name of Curcuma rangjued Saensouk & Boonma and followed by a new record of C. cordata Wall. for Thailand which in the past has been determined as a synonym of C. petiolata Roxb. but now it is back to a recognized name once again. Both species in this study were found distributed in the northern region of Thailand and belong to Curcuma subgenus Curcuma, their description along with ecology, phenology, and a revised key to 28 species of Curcuma subgenus Curcuma in Thailand are also present for facilitating identification.
Co-Authors ADISAK THOMUDTHA PARIYA THOMUDTHA Piyaporn Saensouik Piyaporn Saensouk Piyaporn Saensouk Thawatphong Boonma Thawatphong Boonma Thawatphong Boonma