1. Edible Portion: Tubers, Vegetable, Root A yam vine. The stem is square in cross section and does not have spines. The leaves are 25 cm long. They are opposite. Theleaf is divided like fingers on a hand into 3 or more segments. The male flower is on a long stalk and the female flower stalk is...
  2. 1978-01-19 File: Download [PDF File] Author(s): Martin, Franklin W.,Degras, Lucien. Subject(s): Yams. Format: iv, 26 p. Language: English Publisher: U.S. Dept. of Agriculture Year: 1978 Series: USDA agriculture handbooks Rights: This item is authored by federal employees as part of their official duties...