Chinese spiranthes
Spiranthes sinensis (Persoon) Ames
var. amoena (M. Bieberson) H. Hara
[Orchidaceae]
Nejibana (ネジバナ, 捩花)
Lifeform: evergreen perennial forb
Distribution: east Asia
Habitat: wet open field
Chromosome number: 2n = 30
Synonyms
Spiranthes amoena (M. Bieb.) Spreng.
Spiranthes sinensis (Pers.) Ames var. australis (R. Br.) H. Hara et Kitamura, excl. basion.
Spiranthes sinensis (Pers.) Ames subsp. australis (R. Br.) Kitamura, excl. basion.
Spiranthes Rich. in Japan
Etymology: speira (Gr) = twist + anthos (Gr) = flower
One species in this genus is distributed in Japan
S. sinensis (Pers.) Ames (ネジバナ) (s.l.)
var. amoena (M. Bieb.) H. Hara (ネジバナ)
f. albescens (Honda) Honda (シロバナモジズリ)
f. autumnus H. Tsukaya (アキネジバナ)
f. gracilis F. Maekawa (ヤクシマネジバナ)
f. viridiflora (Makino) Ohwi (アオモジズリ)
var. sinensis (ナンゴクネジバナ): the type
Spiranthes sinensis on Mount Usu
[Left] Near the 2000 crater on Mount Usu on August 22 2010. [Center] Near Yu-kun Crater on August 10 2011. [Rgiht] near Ginnuma Crater on September 30 2011