Juncus effusus var.decipiens (English notation) Juncus effususvardecipiens

Japanese: Juncus effusus var.decipiens(英語表記)Juncuseffususvardecipiens
Juncus effusus var.decipiens (English notation) Juncus effususvardecipiens

…It is a perennial plant of the rush family, also called I, cultivated for its stems to be used as material for tatami mats and flower mats (illustration). It is also called Toushinso because the pith of the stem is used as a wick.
[shape]
Many thin stems grow from one plant. The stems are cylindrical, 2-3 mm in diameter, and 50-150 cm tall. The leaves degenerate into short sheaths, several of which grow alternately at the base of the stem. As the plant grows, it produces tillers and increases in number. In early summer, small flower spikes appear 15-30 cm below the tip of the stem, and many small greenish-brown flowers bloom.

*Some of the terminology that mentions "Juncus effusus var. decipiens" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…イとも呼び,茎を畳表や花むしろの材料とするために栽培もするイグサ科の多年草(イラスト)。茎の髄を灯心として利用したところからトウシンソウの名もある。
[形状]
 1株に多数の細い茎が立つ。茎は円柱形で直径2~3mm,高さは50~150cm。葉は退化して短い鞘(さや)状となり,茎の基部に数枚互生する。生長するにつれて分げつを出してふえる。初夏に茎の先端から下15~30cmのところに小さい花穂をつけ,多数の緑褐色の小花が咲く。…

※「Juncus effusus var.decipiens」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

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