PEMANFAATAN TRADISIONAL UMBI Dioscorea spp.(Dioscoreaceae) OLEH PENDUDUK Dl PEMUKIMAN TRANSMIGRAN Dl WILAYAH KALIMANTAN SELATAN DAN LAMPUNG, SUMATERA: TELAAH ETNOBOTANI

• Main Authors: Purnomo, Purnomo, Rugayah, ., Daryono, Budi Setiadi, Sumardi, I
• Format: Article PeerReviewed
• Language: English
• Published: The Indonesian Biological Society, East Java, Indonesia 2011
• Subjects: Plant Developmental and Reproductive Biology
• Online Access: https://repository.ugm.ac.id/273565/1/Berkala%20Hayati%20Purnomo.pdf; https://repository.ugm.ac.id/273565/; http://berkalahayati.org
• Institution: Universitas Gadjah Mada

Species of yam (Dioscorea spp.) except gadung (Dioscorea hispida Dennst) were planted by people in South Kalimantan and Lampung, Sumatera. On both research areas, yam tuber were not only planted for food need, but so for ritual activities. Research problems are related to yam species diversity and its traditional usage by people in transmigrant placing in South Kalimantan and Lampung Sumatera. Samples collection were conducted by survey and interview methods in the transmigrant places. Yam samples are include tuber and bulbil (aerial tuber) planted as a life collections. Morphological analysis were conducted for leafs, stems, tubers, and bulbils characterization, furthermore interview were conducted emphasized to the traditional uses of yam on both research areas. The data were analyzed descriptively for species identification and traditional usage The result of the research showed that there are difference species composition on both research areas, Lampung have more species richness than South Kalimantan. The common wild species on both research area is gadung (D. hispida), and the common cultivated species is water yam (D. alataJL), that is origin from Java. Species which were found in Lampung, but not found in South Kalimantan are D. pentaphylla L(tomboreso), andD. esculenta (Lour.) Miq. (gembili or lasseryam). Tuber of water yam (D. alata) are not only for food stock in dry season, but so for ritual objective. The usage of yam species on both research areas have the same traditional culture concepts on ritual aspect, namely as condition to opening land for new agriculture area, it was planted in this area together with the other condition as sesaji or tumbal related to the local wisdom of peoples on both research areas. In Lampung tubers of yam (Dioscorea spp.) were used as materials to accelerate tapping rubber sap coagulation traditionally. Key words: Dioscorea spp., Ethnobotany, Lampung (Sumatera), local wisdom, South Kalimantan