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(First upload on January 10 2010. Last on July 31 2021) [ 日本語 | English ]

Spiranthes Rich. (ネジバナ) in Japan One species in this genus is distributed in Japan S. sinensis (Pers.) Ames Nejibana (ネジバナ/捩花, s.l.), Chinese spiranthes Mojizuri (モジズリ) Lifeform: evergreen perennial forb Distribution: east Asia Habitat: wet open field → Flora on Mount Usu Chromosome number: 2n = 30 Mycorrhiza: orchid Synonyms: Spiranthes amoena (M. Bieb.) Spreng.

Spiranthes sinensis (Pers.) Ames var. australis (R. Br.) H. Hara et Kitamura, excl. basion. Spiranthes sinensis (Pers.) Ames ssp. australis (R. Br.) Kitamura, excl. basion. var. amoena (M. Bieb.) H. Hara (ネジバナ, s.s.) f. albescens (Honda) Honda (シロバナモジズリ) f. autumnus H. Tsukaya (アキネジバナ), flowering in autumn f. gracilis F. Maekawa (ヤクシマネジバナ) f. viridiflora (Makino) Ohwi (アオモジズリ), pale green flower var. sinensis (ナンゴクネジバナ): the type, Izu Islands and Nansei Islands

Spiranthes sinensis in Japan

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Mount Usu (flora)

1 2 3 4
[1] in a Miscanthus sinensis grassland on the Nishiyama Craters on July 27 2021. [2] at Nishiyama Crater Group on August 2 2012. [3/4] in a Miscanthus sinensis grassland on the Nishiyama Craters on July 27 2017. Records: near Yu-kun (K-1) Crater on August 10 2011 and near Ginnuma Crater on September 30 2011; close to Toshiba Building near JR Hamamatsu Station in Tokyo on June 15 2018. at the bottom of K-1 Crater on August 14 2019. Near the 2000 crater on August 22 2010. Flowering in the backyard of the office building for Wakayama Experimental Forest of Hokkaido University, western Japan, on June 25 2024.

Mount Koma (flora)

5 6 7
[5] on the summit area on August 5 2015. Most flowering shoots were found in Salix reinii patches. [6/7] on the southwestern slope on August 4 2015.

Sarobetsu mire

1 2
[8/9] near a peatland mined in 1982. [8] on August 28 2018. [9] on August 19 2019.