White patrinia
Patrinia villosa (Thunb.) Juss. [Valerianaceae]
Otokoeshi, オトコエシ, 男郎花
Lifeform: deciduous, perennial forb
Distribution: China - Japan
Habitat: grasslands, roadsides, etc.
Seed dipersal: wind
Patrinia Juss. in Hokkaido
P. scabiosaefolia Fisch. (オミナエシ)
P. villsa (オトコエシ)
P. sibirica (L.) Juss. (チシマキンレイカ)
P. hybrida Makino (オトコオミナエシ): P. villsa × P. scabiosaefolia
Patrinia villosa on Mount Usu
When the photos were in the crater basin on September 19, 2008, defoliation began.