Karukaya

Japanese: カルカヤ

A general term for the perennial grasses of the Poaceae family, Megarkaya and Ogalkaya, but the former is often used. Megarkaya grows in the mountains and fields of Honshu, Okinawa, and East Asia. The stems are somewhat thick and 0.7 to 1 m tall. The leaves are broadly linear with long white hairs growing sparsely at the base. In autumn, racemose flower spikes appear in the upper leaf axils. There are two types of spikelets, male and bisexual, and the bisexual spikelets have long spines. It is one of the seven autumn herbs. Ogalkaya (Suzumekarukaya), which is a different genus, has thin, hard stems and linear, narrow leaves.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

イネ科の多年草，メガルカヤとオガルカヤの総称であるが，前者をさす場合が多い。メガルカヤは本州〜沖縄，東アジアの山野にはえる。茎はやや太く，高さ0.7〜1m。葉は広線形で，基部に長い白毛がまばらにはえる。秋，上部の葉腋から総状の花穂を出す。小穂には雄性と両性の２種があり，両性小穂には長いのぎがある。秋の七草の一つ。別属のオガルカヤ（スズメカルカヤ）は茎が細くてかたく，葉は線形で狭い。

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