Osaran - Osaran

Japanese: オサラン - おさらん

A small orchid that grows on the bark of tropical forests in southern Japan. The Japanese name comes from the pseudobulbs, which resemble the reeds of a loom. There are a number of pseudobulbs. In spring, a new pseudobulb grows at the end of an old one, and two leaves develop. The leaves are narrowly oblong, 5-8cm long, and fall off in winter. In June-July, a flower stalk emerges between the leaves, and usually one or two flowers bloom. The flowers are white except for the lip, half-open, and about 1cm in diameter. The dorsal sepals are about 8mm long. The lateral sepals have jaws 3-4mm long at their base. The lip is broadly wedge-shaped and divided into three lobes, with the middle lobe being yellow.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

日本南部，暖帯林の樹皮に着生する小型のラン科植物。和名は，並んだ偽球茎を織機の筬（おさ）にたとえたもの。偽球茎があり連なる。春，古い偽球茎の先に新しい偽球茎をつけ，葉を2枚展開する。葉は狭長楕円形で，長さ5～8cm，冬に脱落する。6～7月に葉間より花茎を出し，通常1～2花をつける。花は唇弁を除き白色，半開し，直径約1cm。背萼片は長さ約8mm。側萼片は基部が3～4mmの顎になる。唇弁は広いくさび形で3裂し，中裂片は黄色い。

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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