fern definición, fern significado | diccionario de inglés definición

Collins

fern  


      n  
1    any tracheophyte plant of the phylum Filicinophyta, having roots, stems, and fronds and reproducing by spores formed in structures (sori) on the fronds  
   See also       tree fern  
2    any of certain similar but unrelated plants, such as the sweet fern  
     (Old English fearn; related to Old High German farn, Sanskrit parná leaf)  
  fernlike      adj  
  ferny      adj  


beech fern  
      n   a fern, Thelypteris phegopteris, that grows in damp N temperate woods: family Polypodiaceae  
bladder fern  
      n   a small fern, Cystoperis fragilis, with graceful lanceolate leaves, typically growing on limestone rocks and walls  
     (C19: named from the bladder-shaped indusium)  
buckler fern  
      n   any of various ferns of the genus Dryopteris, such as D. dilatata (broad buckler fern): family Polypodiaceae  
coral fern  
      n     (Austral)   a scrambling fern of the genus Gleichenia, having repeatedly forked fronds  
fern seed  
      n   the minute particles by which ferns reproduce themselves, formerly thought to be invisible. Possession of them was thought to make a person invisible  
filmy fern  
      n   any fern of the family Hymenophyllaceae, growing in humid regions and having thin translucent leaves  
hard fern  
      n   a common tufted erect fern of the polypody family, Blechnum spicant, having dark-green lanceolate leaves: it prefers acid soils, and in the U.S. is sometimes grown as deer feed,   (U.S. name)    deer fern  
lady fern  
      n   a large, graceful, but variable fern, Athyrium filix-femina, with bipinnate fronds, commonly found on damp acid soils in woods and on hillsides  
maidenhair fern   , maidenhair  
      n   any fern of the genus Adiantum, esp. A. capillis-veneris, of tropical and warm regions, having delicate fan-shaped fronds with small pale-green leaflets: family Polypodiaceae  
     (C15: so called from the hairlike appearance of its fine fronds)  
male fern  
      n   a fern, Dryopteris filix-mas, having scaly stalks and pinnate fronds with kidney-shaped spore-producing bodies on the underside: family Polypodiaceae  
     (C16: so called because it was formerly believed to be the male of the lady fern)  
marsh fern  
      n   a fern of marshy woodlands, Thelypteris palustris, having pale green pinnate leaves and an underground rootstock  
oak fern  
      n   a graceful light green polypody fern, Thelypteris dryopteris, having a creeping rhizome, found in acid woodlands of the northern hemisphere  
parsley fern  
      n  
1    any of several plants with crisped foliage, resembling that of parsley  
2    a small bright green tufted European fern, Cryptogramma crispa, that grows on acid scree and rock in uplands  
pig fern  
      n     (N.Z)   giant bracken  
royal fern  
      n   a fern, Osmunda regalis, of damp regions, having large fronds up to 2 metres (7 feet) in height, some of which are modified for bearing spores: family Osmundaceae  
seed fern  
      n      another name for       pteridosperm  
shield fern  
      n   any temperate woodland fern of the genus Polystichum having shield-shaped flaps covering the spore-producing bodies  
silver fern  
      n     (N.Z)  
1       another name for       ponga  
2    a formalized spray of fern leaf, silver on a black background: the symbol of New Zealand sporting teams, esp. the All Blacks  
sweet fern  
      n   a North American shrub, Comptonia (or Myrica) asplenifolia, having scented fernlike leaves and heads of brownish flowers: family Myricaceae  
sword fern  
      n   any of numerous ferns having sword-shaped fronds  
tree fern  
      n   any of numerous large tropical ferns, mainly of the family Cyatheaceae, having a trunklike stem bearing fronds at the top  
walking fern   , leaf  
      n   a North American fern, Camptosorus rhizophyllus, having sword-shaped fronds, the tips of which take root when in contact with the ground: family Aspleniaceae  
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