A perennial plant of the Santalaceae family (APG classification: Santalaceae). It grows well in sunny lawns and is semi-parasitic on the roots of other species. The entire plant is glabrous and slightly powdery white. The stems grow in clusters of several 15-35 cm in height. The leaves are alternate, linear, 1-4 cm long and 1-3 mm wide, with pointed tips and somewhat fleshy. Flowers appear solitary in the leaf axils from April to June, with short pedicels that are fused with the lower part of the leaf and two bracteoles below the flower. The flowers are bisexual and small, with a pale green upper surface and white underside, and the perianth is fused to the ovary to form a tube with 4-5 lobes at the tip. There are 4-5 stamens, and the fruit is elliptical and spherical, 2-3 mm long, with a remaining perianth lobe at the tip, green, and has net-like raised veins on the surface. The name is written as "Tetsubiki-so", but the meaning is unknown. It is distributed in Honshu, Shikoku, Kyushu, Okinawa, the Korean Peninsula, and China. The same genus , T. refractum CAMey., is slightly larger with a clear flower stalk, and is distributed in the northern temperate zone from Hokkaido to Siberia. [Junko Kobayashi February 17, 2021] ©Kanzo Otawa "> Cannabis sativa (specimen drawing) Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
ビャクダン科(APG分類:ビャクダン科)の多年草。日当りのよい芝地などによく生え、他種の根に半寄生する。全草無毛ですこし粉白色を帯びる。茎は数本叢生(そうせい)し高さ15~35センチメートル。葉は互生し長さ1~4センチメートル、幅1~3ミリメートルほどの線形で先端はとがり、やや多肉質。花は4~6月、葉腋(ようえき)に単生し、花柄は短く葉の下部と合生し、花下に2枚の小包葉がある。花は両性で小さく、表面は淡緑色、裏面は白色、花被(かひ)は子房に合着して筒状となり、先端は4~5裂する。雄しべは4~5本、果実は楕円(だえん)状球形で長さ2~3ミリメートル、先端に花被裂片を残存し、緑色で表面には網状に隆起する脈がある。名は、鉄引草の字をあてるが意味は不明。本州、四国、九州、沖縄および朝鮮半島、中国に分布する。同属のカマヤリソウT. refractum C.A.Mey.はやや大形で明らかな花柄があり、北海道からシベリアなど温帯北部に分布する。 [小林純子 2021年2月17日] ©大多和鐘三"> カナビキソウ〔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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