川山紫地瓜是近年来从日本引进的新品种。薯形纺锤、蔓长,薯皮紫红近黑色,肉色紫红鲜艳,比“心里美”萝卜肉色更美观。食味极佳、营养成分高出其他地瓜的一倍多,是大宾馆饭店的上等食品,也是提取植物色素的好原料。叶心脏形、缺刻,叶色紫绿,茎蔓细长、色紫红,其茎尖和叶梗是高档蔬 Chuan Shan purple sweet melon is imported from Japan in recent years, new varieties. Yam-shaped spindle, vine length, purple, almost black flesh, flesh color purple bright, more beautiful than the “beauty of the heart” Radish flesh color. Excellent taste, nutritional content than other sweet potatoes more than double, is the Grand Hotel restaurant of the finest food, but also a good source of plant pigment extraction. Leaf heart-shaped, nick, leaf color purple green, stalk slender, purplish red, its stem tip and leaf stems are high-grade vegetables