Spiranthes

…A small terrestrial orchid (illustration) that is most commonly found in lowlands throughout Japan. It is also known as Mojizuri, both of which refer to the appearance of the twisted inflorescence. It has a short rhizome with thick, swollen roots. Most of the leaves grow in a rosette shape at the base. From April to August, the inflorescence appears at the end of a 10-40 cm tall stem, and the flowers grow densely in a right- or left-handed spiral. The flowers are pink-pink with a white lip and a tubular perianth that gathers together. There is no spur. It grows in grasslands, wetlands, cliffs, etc. throughout Japan, and is often found in urban lawns. …

*Some of the terminology explanations that mention "Spiranthes" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…日本全国の低地に最も普通に見られる小型の地生ラン（イラスト）。別名モジズリともいうが，ともにねじれた花序のようすを表す。根茎が短く，太く肥厚した根を束生する。葉は大部分ロゼット状に根生する。4～8月，高さ10～40cmの茎の先に花序を出し，右または左まきのらせん状に花を密につける。花は桃紅色で，唇弁は白色，花被は集合して筒状になる。距はない。日本全国の草地，湿地，崖などに生育し，都市の芝生の中にも多い。…

※「Spiranthes」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報