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"Kuriha-ran" (Neocheiropteris ensata) belongs to the family Polypodiaceae. It is an evergreen fern that is distributed westward from Kanto district of Honshu to Shikoku and Kyushu in Japan, as well as Jeju-do (southern Korea), Taiwan, China and India. This fern grows on the grounds and rocks in mountain forests, and can reach 30-50 cm in height. The rhizomatous roots are elongated and creeping under the grounds. The leaves are lanceolate, pepery with long petioles. The sori are roundish and irregularly-arranged in several rows on either side of rachis. The Japanese name is derived from the appearance of chestnut's leaf.
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