A perennial herb of the Metaminoceae family that commonly grows under mountain forests, on forest edges, and on roadsides and banks in human settlements. Summer-green. The rhizome is long and creeps close to the ground, with leaves rather sparsely borne. The rhizome and petiole are light brown, entire, and sparsely covered with membranous scales. The petiole is 10-30 cm long. The leaf blade is herbaceous, broadly lanceolate to oblong-lanceolate, 20-40 cm long, 10-15 cm wide, twice pinnate, and covered with short soft hairs on both sides. The pinnae are lanceolate, slightly oblique to the central axis, with a central to deep lobe and gradually acute pointed tip, the lobes are elliptical, slightly oblique, round to blunt, and the veins are free. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
山地林下や林縁,人里の道端や土手にまで普通に生えているシダ植物メシダ科の多年草。夏緑性。根茎は長く地表近くをはい,葉をややまばらにつける。根茎や葉柄には淡褐色で,全縁,膜質の鱗片がまばらにつく。葉柄は10~30cm。葉身は草質,広披針形から長楕円状披針形で,長さ20~40cm,幅10~15cm,2回羽状に分裂し,両面に短い軟毛をつける。羽片は披針形,中軸にやや斜めにつき,中裂~深裂し,漸鋭尖頭,裂片は楕円形,やや斜めにつき,円頭~鈍頭,葉脈は遊離脈。
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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