Sheep sorrel, or Red sorrel
Rumex acetosella L. [Polygonaceae]
Hime-suiba (ヒメスイバ, 姫酢葉)
Lifeform: weedy perennial forb
Distribution: Native to Europe (extotic to Japan)
Habitat: ruderal grasslands
Chromosome number: 2n = 14, 32, 40, or 42
Rumex acetosella on Mount Koma
[Left/Center] Overview. [Right] Inflorescences (close-up of the central photo). On the trail near the parking lot on Mount Koma. On July 9 2009.
References
- Flora on Mount Koma
- Flora on Mount Usu
- Rumex acetosa
- Rumex obtusifolius
- Tsuyuzaki, S. 1989. Buried seed populations on the volcano Mt. Usu, northern Japan, ten years after the 1977-78 eruptions. Ecological Research 4: 167-173
- Knotweed family (Polygonaceae) タデ科