Shichitoui - Shichitoui

Japanese: シチトウイ - しちとうい
Shichitoui - Shichitoui

A perennial plant of the Cyperaceae family (APG classification: Cyperaceae). It has a thick rhizome from which stems emerge in various places. It is 1 to 1.5 meters tall and the cross section of the stem is triangular. The leaf blades have degenerated, leaving only the leaf sheaths. It flowers from summer to autumn. It is distributed in Okinawa and China, and was introduced to Japan from the Satsunan Seven Islands (Tokara Islands) in the 1600s. It is cultivated in warm areas west of the Kanto region, and in some places it has become naturalized. Seedlings propagated from the rhizomes are planted in rice paddies, and the harvested stems are used to make tatami mats and flower mats. It is also used to make sandals and carrier bags.

[Eiichiro Kinoshita July 19, 2019]

Major species of Cyperaceae (2) [Pictures of specimens]
©Kanzo Otawa ">

Major species of Cyperaceae (2) [Specimens...


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

カヤツリグサ科(APG分類:カヤツリグサ科)の多年草。太い根茎があり、根茎のところどころから茎が出る。草丈1~1.5メートル、茎の断面は三角形。葉身は退化し、葉鞘(ようしょう)部だけになっている。花期は夏から秋。沖縄、中国に分布し、日本には1600年代に薩南(さつなん)七島(吐噶喇(とから)列島)から伝えられた。関東地方以西の暖地で栽培され、野生化した所もある。地下茎で繁殖させた苗を水田に植え、収穫した茎で畳表や花莚(むしろ)をつくる。また草履(ぞうり)や手提げ袋もつくる。

[木下栄一郎 2019年7月19日]

カヤツリグサ科のおもな種類(2)〔標本画〕
©大多和鐘三">

カヤツリグサ科のおもな種類(2)〔標本…


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