Favoritos de antrum

静岡県の中西部と山梨県の南部に分布。花柱がカギ型に曲がるのが特徴です。
環境省：絶滅危惧ⅠB類（EN）

The feature is that the pistil is bent like a key.
Asarum curvistigma is distributed in the Midwestern part of Shizuoka prefecture and the southern part of Yamanashi prefecture in Japan. It is a rare species with a narrow distribution area.