An annual or biennial plant of the grass family (APG classification: Poaceae). The culm is erect, 20-40 cm tall, and the leaves are 5-15 cm long. From March to June, a cylindrical panicle with dense spikelets grows at the top of the culm. The spikelet is broadly ovate and significantly flattened from both sides, and contains one floret. The glumes are fused at the base, and the keel has long hairs. The glumes are slightly longer than the glumes, with bluntly pointed tips, and the midribs are erect, terminating in awns 0.3 mm long. The glumes and lodices are degenerate. Grows in wetlands and fields. Widely distributed in temperate zones of the Northern Hemisphere, from Hokkaido to Okinawa. The two varieties are sometimes divided into two categories: the one with slightly smaller spikelets that grows in fields is called Nohara Suzume-no-Heppo, and the one with larger spikelets that grows in wetlands and rice paddies is called Suzume-no-Heppo. [Jianchang Xu August 20, 2019] It is found throughout Japan, growing in clusters in wetlands and fields. From March to June, it produces cylindrical panicles with dense spikelets. ©Shogakukan "> Sparrow's foxtail ©Kanzo Otawa "> Suzume-no-Arachis hypogaea (specimen drawing) Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
イネ科(APG分類:イネ科)の一年草または越年草。稈(かん)は直立し、高さ20~40センチメートル、葉は長さ5~15センチメートル。3~6月、稈頂に小穂を密生した円柱形の円錐(えんすい)花序をつける。小穂は広卵形で左右から著しく扁平(へんぺい)で、小花が1個ある。包穎(ほうえい)は基部で癒着し、竜骨には長毛がある。護穎は包穎よりやや長く、先は鈍くとがり、主脈は直立し、長さ0.3ミリメートルの芒(のぎ)に終わる。内穎と鱗被(りんぴ)は退化する。湿地、畑に生える。北海道から沖縄、北半球の温帯に広く分布する。小穂がすこし小さく畑に生えるものをノハラスズメノテッポウ、小穂が大きく湿地や水田に生えるものをスズメノテッポウと、それぞれ変種に分けることもある。 [許 建 昌 2019年8月20日] 日本各地に分布し、湿地や畑に群生する。3~6月、小穂を密生した円柱形の円錐花序をつける©Shogakukan"> スズメノテッポウ ©大多和鐘三"> スズメノテッポウ〔標本画〕 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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