Marsh grass of Parnassus
Parnassia palustris L. [Saxifragaceae]
APG: Pamasaiaceae
Umebachisou (ウメバチソウ, 梅鉢草)
Life form: perennial forb
Distribution: boreal circumpolar regions, including Japan
Habitat: wetlands in low-to high-lands
Varieties (in USA)
- var. montanensis (Fernald et Rydb. ex Rydb.) C. L. Hitchc., not in Alaska
- var. palustris
- var. parviflora (DC.) B. Boivin
- var. tenuis Wahlenb. (コウメバチソウ)
Parnassia palustris in Alaska
[Left] a patch. [Center] close-up of base. [Right] close-up of flowers. Along Richardson Highway near Gulkana, Alaska, on August 12 2010.
Parnassia palustris in Hokkaido
in Teshio Experimental Forest, northern Japan, on September 14 2010.