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walking fern

noun
1.
a fern, Camptosorus rhizophyllus, having simple, triangular fronds tapering into a prolongation that bends at the top and often takes root at the apex.
Also called walking leaf.
Origin
1820-1830
1820-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for walking fern
  • Liverworts cover moist portions of some rocks, and are occasionally joined by the creeping fronds of walking fern.
British Dictionary definitions for walking fern

walking fern

noun
1.
a North American fern, Camptosorus rhizophyllus, having sword-shaped fronds, the tips of which take root when in contact with the ground: family Aspleniaceae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for walking fern

fern that is a member either of the species Asplenium rhizophyllum, of eastern North America, or of A. sibiricum, of eastern Asia, in the family Aspleniaceae. The common name derives from the fact that new plantlets sprout wherever the tips of parent plant's arching leaves touch the ground. The plant's leaves are evergreen, undivided, and slightly leathery; they are triangular in shape, tapering to a thin point. Spore-bearing structures are in clusters along the veins. Walking ferns are hardy plants that inhabit shady areas of limestone ledges and limey wooded areas

Learn more about walking fern with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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