Khram (Indigoferatinctoria), Blue Cloth, River Basin Ramsa Site and Local Culture in Specific Area of Indochina

Abstract

Khram (Indigoferatinctoria) is a small bean type plant with its habitat in tropical country. The plant can give blue color and becomes an important natural dye.  In specific part of Indochina, the Khram is a common local plant and it is associated with local garment blue clothes culture. Additionally, the area that natural plant is common is a specific river basin area namely MaenamSonkhram, which is already been registered as important ramsa site in Southeast Asia.