Species in the genus Asarum:

Asarum asperum / Miyakoaoi
Asarum caurescens / Futabaaoi
Asarum_caulescens_f. / Shirobanafutabaaoi
Asarum dimidiatum / Kurofunesaishin
Asarum fauriei var. takaoi / Himekan'aoi
Asarum maruyamae / Izumosaishin
　

Asarum dimidiatum / Kurofunesaishin クロフネサイシン

Asarum dimidiatum is a perennial herb found in forests in mountainous regions. Leaves, measuring 4-6cm in length, are in the shape of a concentric form. Short white hairs are observable along veins on either side of the leaves. Calyx tubes are obovate-spherical, approximately 2cm in diameter; lobes diagonally open triangular-ovately. Stamens are 6 in number, and styles are 3. Bloom time: April-May.