紫むらさき芋いもむらさきいもじ字FuriganaMeanings1nounpurple sweet potatoRefers to any of several varieties of sweet potato with purple flesh. Often mistakenly called 'purple yam' in English, but true yams are a different species.紫むらさき芋いもを使つかったスイーツが人にん気きです。