Karakter Morfologi Daun Ubijalar Sebagai Bahan Pangan Suku Dani Distrik Kurulu Jayawijaya

Abstract

Sweet potato serves as a staple food for people in Jayawijaya. Many cultivars of sweet potatoes have been cultivated by Dani tribe in Kurulu as foot for their infant, child and adult as well as feeding especially for pigs. Base on the used of sweet potatoes as food source for infant and child, this study explored 10 different cultivars. As for the leaf morphology, it was identified that the mature leaves have size around 15 – 18 cm. General outline of the leaf is reniform (40%), 60% have green colour leaf 50% without leaf lobe, 60% of leaf lobes number is one, 70% of shape of central leaf lobe is toothed. Abaxial leaf vein pigmentation have purple (40%), and petiole pigmentation is purple with green near leaf (60%). Besides its tuber roots, sweet potatoes are also harvested for its shoots and green young leaves for vegetables