Harigwa - Harigwa

Japanese: ハリグワ - はりぐわ

A thorny deciduous tree of the mulberry family native to China and Korea, occasionally cultivated. Its Chinese name is boxwood. Young branches grow well, and axillary buds grow short and straight, becoming thorns. The leaves are alternate and nearly elliptical. They are entire, glossy green on the upper side and pale green on the lower side. They are dioecious, and bloom around June. The male inflorescences appear in the leaf axils, are terminal on short stalks, are nearly spherical, and numerous flowers grow densely. The flowers consist of four perianths and four stamens opposite each other. The female inflorescences are also spherical, and the flowers have four perianths and one pistil, with a long style extending beyond the gap in the perianth.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

中国，朝鮮に原産し，ときに栽培されるとげのあるクワ科の落葉小高木。中国名は柘。若枝はよく伸び，また腋芽（えきが）は短くまっすぐ伸びてとげとなる。葉は互生し，ほぼ楕円形。全縁で，表面はつやのある緑色，裏面は淡緑色。雌雄異株で，6月ころ開花する。雄花序は葉腋に出て短い柄に頂生し，ほぼ球形，多数の花が密生する。花は4枚の花被とそれに対生するおしべ4本からなる。雌花序も球形で，花には花被4枚とめしべ1本があり，長い花柱が花被のすきまから超出する。

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

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