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(First upload on January 10 2010. Last on November 25 2017) [ 日本語 | English ]

Spiranthes sinensis (Persoon) Ames var. amoena (M. Bieberson) H. Hara






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

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
索引

Spiranthes sinensis in Japan


Mount Usu

ST1 ST2 ST3 ST4
[1] near the 2000 crater on August 22 2010. [2] at Nishiyama Crater Group on August 2 2012. [3/4] in a Miscanthus sinensis grassland on the Nishiyama Craters on July 27 2017. Discarded: near Yu-kun (K-1) Crater on August 10 2011, and near Ginnuma Crater on September 30 2011. Recorded: close to Toshiba Building near JR Hamamatsu Station in Tokyo on June 15 2018.

Mount Koma

ST5 ST6 ST7
[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.

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