A small perennial plant of the orchid family. It is found in alpine coniferous forests from central Honshu northward. It is named after the single egg-shaped leaf that grows above ground. It has a small, fleshy rhizome that grows shallow underground, and a single leaf that grows from this rhizome has a short petiole, a dark green leaf surface, and three prominent veins. In May and June, it produces a single flower stalk about 10 cm tall, with a single flower at the top. The flower blooms sideways, is about 3 cm in diameter, and has a white lip with beautiful red spots. The flower is large compared to the entire plant, so it stands out well, and its elegant appearance makes it highly prized among mountain herb enthusiasts. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ラン科の小型の多年草。高山性で本州中部以北の針葉樹林中に生じる。地上にただ1枚の卵形の葉を出すのでこの名がある。地下浅く,小さな多肉の根茎があり,この根茎から生じる1枚の葉は短い葉柄があり,葉面は濃い緑色で3本の葉脈が目立つ。5~6月に,高さ 10cmほどの花茎を1本出し,頂端に1個の花をつける。花は横向きに咲いて,径 3cmほどもあり,白色の唇弁には美しい紅色の斑点がある。株全体に比べて花が大きいのでよく目立ち,気品のある花容とともに山草家の間で珍重される。
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