An annual plant of the legume family (APG classification: Fabaceae). The stem is 1.5 meters tall. The leaves are alternate, even-pinnate, and composed of 2-4 pairs of leaflets that are obovate, slightly protruding at the tip, 3-4 cm long, and almost sessile. In summer, one or two yellow flowers with long stalks are produced in the leaf axils. There are five obovate-circular petals, ten stamens, and one pistil. The legume is long and slender, curved like an arch, 15-20 cm long, and contains a row of diamond-shaped quadrilateral seeds. The seeds are yellowish brown or blackish brown, 4.5-6 mm long, and 3-3.5 mm wide. In Japan, they are called cassia seeds and used for medicinal purposes, and are called habu tea and used instead of tea. It contains various anthraquinone derivatives, mucus, protein, fatty oil, and vitamin A, and has stomachic, intestinal, laxative, diuretic, and anti-inflammatory properties, so it is used for constipation, gastrointestinal disorders, high blood pressure, eye disorders, and stomatitis. Native to Central America, it has been cultivated in Japan for a long time. In China, a similar plant native to tropical Asia, S. tora (L.) Roxb. ( C. tora L.), is cultivated under the name of cassia or grass cassia, and its seeds are called cassia seeds. These seeds are dark reddish brown, 3-4 mm long and 2-3 mm wide, smaller than the former, and weigh only half as much. Cassia is the original species, and it is incorrect to use the term for the former, but there is no difference in medicinal properties, so there is no practical problem. In India, the seeds are roasted and used as a substitute for coffee. [Motoo Nagasawa October 18, 2019] The leaves consist of 2-4 pairs of leaflets and are mostly stalkless. The legumes are long and slender, curved in an arch, and reach a length of 15-20 cm. The seeds are called cassia seeds in Japan and are used for medicinal purposes. ©Seishohmaru "> Ebisugusa In summer, one or two yellow flowers with long stalks appear in the leaf axils. The petals are five, obovate and round. ©Seishohmaru "> Sickleflower flower Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
マメ科(APG分類:マメ科)の一年草。茎は高さ1.5メートル。葉は互生する偶数羽状複葉で、2~4対の小葉よりなり、小葉は倒卵形、先端はわずかに突出し、長さ3~4センチメートル、ほとんど無柄。夏に葉腋(ようえき)に長い柄をもつ黄色花を1、2個つける。花弁は倒卵状円形で5枚、雄しべ10本、雌しべは1本。豆果は細長く弓状に曲がり、長さは15~20センチメートル、中に菱(ひし)状四辺形の種子が一列に並ぶ。種子は黄褐色ないし黒褐色、長さ4.5~6ミリメートル、幅3~3.5ミリメートルで、日本ではこれを決明子(けつめいし)と称して薬用に供し、はぶ茶と称して茶のかわりに用いる。各種のアントラキノン誘導体、粘液、タンパク質、脂肪油、ビタミンAを含有し、健胃、整腸、緩下(かんげ)、利尿、消炎作用をもつので、便秘、胃腸病、高血圧、眼病、口内炎などに用いる。中央アメリカ原産で、日本では古くから栽培されている。中国では熱帯アジア原産の類似植物ホソミエビスグサS. tora (L.) Roxb.(C. tora L.)を決明や草決明の名で栽培し、その種子を決明子と称している。この種子は暗赤褐色で、長さ3~4ミリメートル、幅2~3ミリメートルと前者よりも小粒で、重量も前者の半分しかない。決明は本種のことであり、前者にそれを用いるのは正しくないが、薬効に相違はないから実用上は問題はない。インドではこの種子を炒(い)ってコーヒーの代用としている。 [長沢元夫 2019年10月18日] 葉は2~4対の小葉からなり、ほとんど無柄。豆果は細長く弓状に曲がり、長さは15~20cmになる。種子を日本では決明子と称し、薬用に供する©Seishohmaru"> エビスグサ 夏、葉腋に長い柄をもつ黄色花を1、2個つける。花弁は倒卵状円形で5枚©Seishohmaru"> エビスグサの花 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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