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Bolbitis heteroclita

Bolbitis heteroclita

Bolbitis heteroclita

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ƒIƒVƒ_‰ÈƒwƒcƒJƒVƒ_‘®‚Ìí—΃Vƒ_—Þ‚ÅAŠw–¼‚Í Bolbitis heteroclitaB‰p–¼‚Í Asian water fernB
The Asian water fern (Bolbitis heteroclita) belongs to the family Dryopteridaceae. It is an evergreen fern that is distributed from the Nansei Islands of Japan to Taiwan, southern China, and Southeast Asia. It grows on moist rocks in mountain streams and ravines, reaching a height of 20 to 30 cm. The rhizome creeps along the ground. The leaves are dimorphic: the sterile fronds are pinnate, with a terminal pinna and up to five lateral pinna. The terminal pinna has a long, tail-like tip and produces asexual buds. The fertile fronds are also pinnate, bearing numerous sporangia on the underside. In Taiwanese Chinese, it is called "”ö—t›‰˜n", and "’·—t›‰˜n" (chang ye shi jue) in Chinese.
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Shu Suehiro
shu@botanic.jp