Diversity and Local Uses of the Convolvulaceae Family in Udon Thani Province, Thailand, with Notes on Its Potential Horticultural Significance
2025
Piyaporn Saensouk | Surapon Saensouk | Sarayut Rakarcha | Thawatphong Boonma | Tammanoon Jitpromma | Phiphat Sonthongphithak | Areerat Ragsasilp | Phetlasy Souladeth
This study investigates the species diversity of the Convolvulaceae family in Udon Thani Province, Thailand, and was conducted from January to December 2022. A total of 52 species across fifteen genera were identified. Ipomoea was the most diverse genus in the region. The Ipomoea family was found in five ecological areas: deciduous dipterocarp forests, mixed deciduous forests, aquatic areas, open areas and roadsides, and cultivated areas like home gardens. Most species flower during the rainy season, especially from June to August, while some bloom in the winter, around January to March. Out of the total number of species, 29 were evaluated as rare and 23 as common. Meanwhile, 44 species were proposed for conservation as Not Evaluated and six species as Least Concern. Traditional uses of these species include food, animal fodder, horticultural cultivation, medicinal plants, and ornamental plants. The whole plant is the most used part followed by leaves, stems, roots or storage roots, and inflorescence, respectively. This research contributes valuable data on the biodiversity, conservation status, and cultural significance of Convolvulaceae species in Udon Thani Province, offering a foundation for future studies and potential sustainable resource management.
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