Japanese pogonia
Pogonia japonica Reichb. fil. [Orchidaceae]
Tokisou (トキソウ, 鴇草)
Lifeform: clonal perennial forb
Distribution: China - eastern Siberia - Korea - Japan
Habitat: sunny, wet sites
Chromosome number: 2n = 20
Forma
- f. lineariperiantha Satomi et T. Ohsawa (イトザキトキソウ)
- f. pallescens Tatewaki (シロバナトキソウ)
Pogonia japonica in Hokkaido
[Left] A whole individual. [Right] Close-up. In Sarobetsu post-mined peatland on July 5 2006.