Teosinte (English spelling)

Japanese: テオシント - ておしんと(英語表記)teosinte
Teosinte (English spelling)

It is an annual grass of the grass family (APG classification: Poaceae). It is native to Central America, and in Mexico it sometimes grows as a weed in corn fields. It is closely related to corn, and is thought to be the origin of corn. It is cultivated as fodder. It produces many tillers from the base, growing into a large stubble that can reach a height of 3-5 meters. It has many leaves, the larger ones being about 1 meter long and 8 centimeters wide. In autumn, it produces tassels at the tips of the stems and female ears in the leaf axils. Both have a shape similar to a pungent corn inflorescence, and the female ears are wrapped in bracts, 4-8 centimeters long, and have several to a dozen slightly flattened, triangular caryopsis tightly packed in two rows.

[Hoshikawa Kiyochika August 20, 2019]

[Reference item] | Corn

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

イネ科(APG分類:イネ科)の一年草。原産地は中央アメリカで、メキシコではトウモロコシ畑に雑草として生えることもある。トウモロコシと近縁な植物で、トウモロコシの起源となった植物と考えられている。飼料として栽培される。根元から分げつを多数出して大きな株状となり、草丈は3~5メートルとなる。葉は数が多く、大きなものは長さ約1メートル、幅8センチメートルにもなる。秋に茎の先端に雄穂、葉腋(ようえき)に雌穂をつける。ともにトウモロコシの花穂を貧弱にしたような形で、雌穂は包葉に包まれ、長さ4~8センチメートル、中にやや扁平(へんぺい)で三角状の穎果(えいか)が数個から十数個2列に密着している。

[星川清親 2019年8月20日]

[参照項目] | トウモロコシ

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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