Polypodium fauriei Christ

Japanese: オシャグジデンダ（英語表記）Polypodium fauriei Christ

A perennial epiphytic fern of the Polypodiaceae family that opens its leaves in early autumn and loses them in midsummer. The rhizome is usually buried in moss, is about 4 mm in diameter, brownish-red, and the scales fall off early except at the tip. The leaves are 20-30 cm long, deeply pinnately lobed, and have sparse long hairs on the underside, but they fall off easily. The veins are pinnately branched and do not reach the margins. When the leaves dry, the rachis rolls outward. The sporangia are arranged in a row on both sides along the rachis, and do not have an intumescent membrane. Denda is also called rendaz (renda), and is one of the old names for ferns. Shaguji is said to be a tribute temple, but there is no temple or shrine of the same name in existence, so it is thought to be a folk name.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

初秋に開葉し，盛夏には落葉する，ウラボシ科の着生多年生シダ植物。根茎は通常コケなどに埋もれ，径約4mm，茶褐色で，先端部を除いて鱗片は早く脱落する。葉は長さ20～30cm，単羽状深裂，裏面にまばらに長毛があるが，落ちやすい。葉脈は羽状に分岐して，辺縁に達しない。葉は，乾くと葉軸が外へ巻きあがる。胞子囊群は羽軸に沿って両側に1列に並び，包膜はない。デンダは連朶（れんだ）ともいい，シダの古い名の一つ。シャグジは社貢寺とされるが，同名の社寺は現存せず，土俗名とも考えられる。

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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