Vascular plant diversity in the plant genetic conservation area project under The Royal Initiative of Her Royal Highness Princess Maha Chakri Sirindhorn (RSPG) at Sai-Chai, Chaiya district, Surat Thani province

Abstract

Beach forest belongs to the plant resources that are important for the ecosystem throughout the source of food, medicine, and wood. This study aims to survey vascular plant diversity and provide plant identification in the beach Forest at Thung Sai-Chai area, Chaiya, Surat Thani Province. Our processes were carried out from March 2018 to December 2019. Plant photographs, geographical records, herbarium specimens and identification were done. The vascular plants identified comprised 22 families 30 genera 33 species. The families with the greatest number of species were Myrtaceae (3 genera 5 species), Moraceae (2 genera 3 species), Orchidaceae (3 genera 3 species), Anacardiaceae (2 genera 2 species) and Melastomataceae (2 genera 2 species). Another 17 families found 1 genus such as Arecaceae (Palmae), Asclepiadaceae, Clusiaceae (Guttiferae), Dilleniaceae, Dipterocarpaceae, Gentianaceae, Lauraceae, Fabaceae (Leguminosae), Ochnaceae, Olacaceae, Opiliaceae, Pandanaceae, Peraceae, Phyllanthaceae, Schizaea and Simaroubaceae. The utilizations of plants in this area are used for wood panels, food, and medicinal plants.