A deciduous vine of the legume family (APG classification: Fabaceae). It grows 1-2 meters tall, with long, vine-like branches and strong, sharp thorns. The leaves are large, 20-40 cm long, even-pinnately compound, and have inverted rachises. The leaflets are oblong and 1-2 cm long. From April to June, the vines bear racemes 20-30 cm long at the ends of the branches, and produce many bright yellow flowers. The flowers are bilaterally symmetrical, horizontal, 2.5-3 cm in diameter. The 10 stamens are separate and protrude outside the flower, with red anthers. The legumes are elliptical and 7-10 cm long. They grow in sunny areas such as mountains and riverbanks, and are distributed in Yamagata and Miyagi prefectures west of Honshu, Shikoku, Kyushu, and Okinawa. The name comes from the resemblance of the vine to a snake twisting around itself. The Chinese name for this species is sometimes called Yunjitsu, but Yunjitsu refers to the parent variety of Rosa arborescens, which is used as an antidiarrheal, malaria medicine, and anthelmintic. [Yoichi Tateishi October 18, 2019] A vine that grows in sunny areas such as mountains and riverbanks. From spring to early summer, it produces numerous bright yellow flowers in racemes at the ends of the branches. ©Seishohmaru "> Barbarian rose ©Shogakukan "> Flower of Rosa arborescens [morphology] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
マメ科(APG分類:マメ科)の落葉藤本(とうほん)(つる植物)。高さ1~2メートル、枝はつる状に長く伸び、じょうぶで鋭くとがる刺(とげ)をつける。葉は大きく、長さ20~40センチメートル、2回偶数羽状複葉で、葉軸にも逆刺がある。小葉は長楕円(ちょうだえん)形で長さ1~2センチメートル。4~6月、枝先に長さ20~30センチメートルの総状花序をつけ、鮮黄色の花を多数つける。花は左右相称で横向き、径2.5~3センチメートル。10本ある雄しべは離生し、花外に突き出て、葯(やく)は赤い。豆果は楕円形で長さ7~10センチメートル。山地や河原などの陽地に生え、山形、宮城県以西の本州、四国、九州、沖縄に分布する。名は、つるが蛇の絡む姿に似ていることに由来する。 本種の漢字名として中国名の雲実をあてることがあるが、雲実はジャケツイバラの母変種をさす。これは下痢止め、マラリアの薬、駆虫薬などにする。 [立石庸一 2019年10月18日] 山地や河原などの陽地に生えるつる植物。春から初夏にかけて、枝先の総状花序に鮮黄色の花を多数つける©Seishohmaru"> ジャケツイバラ ©Shogakukan"> ジャケツイバラの花〔形態〕 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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