Peony

...A perennial plant of the Paeoniaceae family native to northern China, introduced from China during the Heian period, and cultivated in fields for medicinal or cut flower use, and in gardens for decorative purposes. It grows to about 60 cm tall. The leaves are 1-2 times trifoliate, with leaflets often deeply lobed, not sawtoothed, hairless and glossy, and the bases of the leaflets grow downward along the petioles. The flowers bloom upward at the tips of the branches in early summer, and cultivated plants are usually about 10 cm in diameter. There are 5 persistent sepals, the outer ones often leaf-like. The single petals have 8-13 petals, and although there is a wide variation in color, wild plants are white or pale pink. ...

*Some of the terminology that mentions "peony" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…中国北部の原産で，平安朝のころ中国より渡来し，薬用または切花用として畑で栽培し，また観賞用に庭園で栽培されるボタン科の多年草。高さおよそ60cmくらい。葉は1～2回3出複葉で小葉はしばしば深裂し，鋸歯はなく，無毛で光沢があり，小葉身の基部は小葉柄にそって伸び下がる。花は初夏のころ，枝の先端について上向きに開き，栽培品ではふつう直径10cmくらい。萼片は5枚，宿存し，外側のものはしばしば葉状になる。花弁は一重のものでは8～13枚，色の変化が多いが，野生品は白色ないし淡紅色。…

※「peony」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報