from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An eastern North American fern (Camptosorus rhizophyllus) having undivided fronds that often take root at the tip.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Either of two species of fern in the genus Asplenium (Asplenium rhizophyllum or Asplenium sibiricum) that produces new plantlets from the tips of its leaves.
from the GNU version of the Collaborative International Dictionary of English
- See Walking leaf, below.
from The Century Dictionary and Cyclopedia
- n. A small tufted evergreen fern, Camptosorus rhizophyllus, native of eastern North America, having the fronds heart-shaped or hastate at the base, and tapering above into a slender prolongation, which frequently takes root at the apex (whence the name;). Also walking-leaf.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. ferns having lanceolate fronds that root at the tip
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