Baikaamacha - Baikaamacha

Japanese: バイカアマチャ - ばいかあまちゃ

A deciduous shrub of the Saxifragaceae family that grows in the mountains of warm regions, it is closely related to the Philadelphus genus. The branches are grayish white, with thin bark that peels easily. The leaves have short stalks and grow in opposite pairs. The leaf blade is thin, oblong, long and pointed at the tip, narrowly wedge-shaped at the base, and has sparsely scattered sharp serrations on the edges. In July and August, it produces cymes at the ends of the branches, and the outer few flowers have fused calyxes that develop into dish-like, shield-shaped, sterile decorative flowers. The white decorative flowers are circular with shallow 3-4 lobes, and have prominent reticulate veins on the surface.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

暖地の山中に生えるユキノシタ科の落葉低木で，バイカウツギ属Philadelphusなどに近縁な植物である。枝は灰白色で，皮は薄く，はげやすい。葉には短柄があり，対生する。葉身は質が薄く，長楕円形，先は長くとがり，基部は狭いくさび形，縁にはまばらに鋭い鋸歯がある。7～8月，枝の先に集散花序をつくり，外側の数個の花は，萼が癒合し，皿状に発達して，楯状の不稔の装飾花となる。白い装飾花は浅く3～4裂した円形，表面は網状脈が目だつ。

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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