top

Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

(Update on Sept. 12 2008)

(Eightpetal) Mountain Avens
Dryas octopetala L. var. asiatica (Nakai) Nakai [Rosaceae]

Chounosukesou [チョウノスケソウ, 長之助草]

Lifeform: deciduous shrub
Distribution in Japan: alpine and subalpine zones in central Honshu and Hokkaido


Dryas octopetala

Synonyms

D. tchonoskii Juz.
D. alaskensis Pors.
D. kamtchatica Juz.
D. punctata Juz.
Dryadaea octopetala Kuntze

Dryas octopetala L. (Mountain avens キョクチチョウノスケソウ)

- ssp. viscosa (Juz.) Hulten [syn. D. viscosa Juz.]
- ssp. hookeriana (Juz.) Hulten [syn. D. hookeriana Juz.]
- var. asiatica (Nakai) Nakai (チョウノスケソウ)

cotopetala


References

TOP