Tsuresagisou - Tsuresagisou

Japanese: ツレサギソウ - つれさぎそう

A terrestrial orchid of the Orchidaceae family found in the grasslands of low mountains in Japan. It has a strong fragrance. The rhizomes and tuberous roots are not very thick and run horizontally. The stems are somewhat tall for this genus, 35-60 cm. There are 5-7 leaves arranged alternately. The lower 4-6 leaves are roughly the same size, elliptical, and 10-16 cm long. In May and June, it produces 10 or so milky white flowers that are somewhat densely packed together. Each flower is about 1.5 cm in diameter. The dorsal sepals and petals are helmet-shaped. The lateral sepals open backwards and the lip petals hang down. There is a relatively long spur, 3-4 cm long. It is distributed throughout Japan from Hokkaido to Kyushu, as well as in China and Nepal.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

日本の低山の草地に散見するラン科の地生ラン。強い香りがある。根茎および塊根はあまり肥厚せず，横走する。茎はこの属ではやや高く，35～60cm。葉は5～7枚が互生する。下部の4～6枚の葉はほぼ同大で楕円形，長さ10～16cm。5～6月，乳白色の花を10数花，やや密につける。花は径約1.5cm。背萼片と花弁はかぶと状。側萼片は後方に開出し，唇弁はぶら下がる。長さ3～4cmの比較的長い距がある。北海道から九州までの日本各地，さらに中国，ネパールに分布する。

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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