An annual plant of the Malvaceae family (APG classification: Malvaceae). Also called blue-green malvaceae. The stems are erect, 3-4 meters tall, and sometimes reddish. The leaves are palmately deep with 3-5 lobes and pointed tips. In summer, 2-3 flowers appear in each leaf axil. The flowers are beautiful, whitish-yellow with 5 petals and about 10 cm in diameter, with a dark red center. It is thought to be native to Africa or India, and is cultivated in tropical and temperate regions to obtain fiber from the stems. It is harvested 4-5 months after sowing. The fiber is similar to jute, and is used to make hemp bags, nets, ropes, etc., and is also used as a raw material for papermaking. The seeds contain about 20% oil, which is pressed to be used for food, lighting, and soap. The pomace is used as livestock feed. [Hoshikawa Kiyochika April 17, 2020] [References] | | | |The leaves are palmately deep with 3 to 5 lobes. In summer, five-petaled flowers with whitish yellow and dark red centers appear in the leaf axils. In tropical regions, it is cultivated as an important fiber crop. ©Shogakukan Photo by Masatoshi Hirose "> Kenaf Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
アオイ科(APG分類:アオイ科)の一年草。アオイツナソともいう。茎は直立し、高さ3、4メートル、赤色を帯びることもある。葉は掌状に深く3~5裂して先はとがる。夏、葉腋(ようえき)に2、3個ずつ花をつける。花は径約10センチメートルの白黄色の5弁花で、中心部が暗赤色で美しい。アフリカまたはインド原産と考えられ、茎から繊維をとるために熱帯から温帯にかけて栽培されている。播種(はしゅ)後、4~5か月で収穫する。繊維はジュートに似て、その代用として麻袋や網、ロープなどをつくり、製紙原料ともする。種子には20%ほどの油が含まれており、搾って食用や灯火用、せっけんなどの原料とする。搾り粕(かす)は家畜の飼料となる。 [星川清親 2020年4月17日] [参照項目] | | | |葉は掌状に深く3~5裂。夏、葉腋に白黄色で中心部が暗赤色の5弁花をつける。熱帯地域では重要な繊維作物として栽培されている©Shogakukan 撮影/広瀬雅敏"> ケナフ 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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