A shrub of the Thymelaeaceae family that grows only in the highlands of Yakushima, it blooms with pale pink-purple flowers. It grows to a height of about 1.5m with few branches and noticeable traces of fallen leaves. The leaves are diamond-shaped, about 5cm long, and grow alternately at the ends of the branches. In early summer, a stalk several centimeters long emerges from the end of the current year's branch, the end of which divides into 3 or 4, each of which bears several to twenty or so flowers. The calyx is pale pink-purple, tubular, and opens into four lobes at the top. It has no petals, and the base of the ovary is surrounded by a disk with a glandular upper edge. It bears small, dry fruits in autumn. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
屋久島の高地にのみ自生するジンチョウゲ科の低木で,淡紅紫色の花を開く。高さ1.5m程度で分枝は少なく,葉の落ちた跡が目だつ。葉はひし形で長さ5cm前後,枝端に集まって互生する。初夏に本年枝の端から長さ数cmの柄を出し,その先が3,4本に分かれておのおの数個ないし二十数個の花をつける。萼は淡紅紫色筒状で上端が4裂して開き,花弁はなく,子房の基部を上縁が腺状の花盤が取り囲む。秋に乾いた小型の果実を結ぶ。
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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