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Davallia
'' Davallia'' (deersfoot fern, hare's foot fern, shinobu fern, rabbit foot fern, ball fern is a genus of about 40 species of ferns in the family Davalliaceae. They are epiphytic ferns, with fronds arising from long aerial rhizomes which grow on and over thick bark on trees or on rock crevices.
== Davallia as house plants ==
''D. polypodiaceae'', ''D. canariensis'', ''D. fejeensis'' and ''D. trichomanoides'' are all grown as ornamental plants.〔Perry, Leonard, ''Davillia'', http://pss.uvm.edu/pss123/ferndav.html〕 ''D. fejeensis'' is the most common ''Davallia'' species in commerce, and ''D. canariensis'' is widely grown as a house plant.〔
The plants have furry rhizomes which cover the surface of the potting mixture as well as root down into it. The fronds are triangular in shape and about 1½ feet long by 1 foot wide. They divide into three to four pinnae which subdivide into many pinnules.
''Davallia'' are often used in hanging baskets because the rhizomes split into sections and the surface is covered quickly. Unlike other ferns, ''Davallia'' tolerate low levels of humidity.〔Reader's Digest. Success with House Plants. The Reader's Digest Association, Inc. 1979:173〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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