fern
English Thesaurus
1. any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores (noun.plant)
| hypernym | : | nonflowering plant, pteridophyte, |
| definition | : | plants having vascular tissue and reproducing by spores (noun.plant) |
| hyponym | : | pecopteris, |
| definition | : | Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb (noun.plant) |
| hyponym | : | film fern, filmy fern, |
| definition | : | any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves (noun.plant) |
| hyponym | : | bristle fern, filmy fern, |
| definition | : | any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks (noun.plant) |
| hyponym | : | flowering fern, osmund, |
| definition | : | any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters (noun.plant) |
| hyponym | : | crape fern, leptopteris superba, prince-of-wales feather, prince-of-wales fern, prince-of-wales plume, todea superba, |
| definition | : | New Zealand with pinnate fronds and a densely woolly stalks; sometimes included in genus Todea (noun.plant) |
| hyponym | : | crepe fern, king fern, todea barbara, |
| definition | : | fern of rain forests of tropical Australia and New Zealand and South Africa (noun.plant) |
| hyponym | : | curly grass, curly grass fern, schizaea pusilla, |
| definition | : | rare small fern of northeastern North America having numerous slender spiraling fronds and forming dense tufts (noun.plant) |
| hyponym | : | anemia adiantifolia, pine fern, |
| definition | : | fern of Florida and West Indies and Central America with rhizome densely clad in grown hairs (noun.plant) |
| hyponym | : | climbing fern, |
| definition | : | any of several ferns of the genus Lygodium that climb by twining (noun.plant) |
| hyponym | : | mohria caffrorum, scented fern, |
| definition | : | sweetly scented African fern with narrow bipinnate fronds (noun.plant) |
| hyponym | : | aquatic fern, water fern, |
| definition | : | ferns that grow in water (noun.plant) |
| hyponym | : | adder's tongue, adder's tongue fern, |
| definition | : | ferns with fertile spikes shaped like a snake's tongue (noun.plant) |
| hyponym | : | grape fern, |
| definition | : | a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases (noun.plant) |
| hyponym | : | flowering fern, helminthostachys zeylanica, |
| definition | : | Australasian fern with clusters of sporangia on stems of fertile fronds (noun.plant) |
| hyponym | : | diplopterygium longissimum, giant scrambling fern, |
| definition | : | large scrambling fern forming large patches to 18 feet high; Pacific region and China (noun.plant) |
| hyponym | : | fan fern, gleichenia flabellata, sticherus flabellatus, umbrella fern, |
| definition | : | large Australasian fern with fanlike repeatedly forked fronds; sometimes placed in genus Gleichenia (noun.plant) |
| hyponym | : | polypody, |
| definition | : | any of numerous ferns of the genus Polypodium (noun.plant) |
| hyponym | : | aglaomorpha meyeniana, bear's-paw fern, |
| definition | : | epiphytic fern with large fronds; Taiwan and Philippines (noun.plant) |
| hyponym | : | strap fern, |
| definition | : | fern with long narrow strap-shaped leaves (noun.plant) |
| hyponym | : | basket fern, drynaria rigidula, |
| definition | : | giant epiphytic or lithophytic fern; Asia to Polynesia and Australia (noun.plant) |
| hyponym | : | lecanopteris, |
| definition | : | any of several bizarre ferns of the genus Lecanopteris having swollen hollow rhizomes that provide homes for symbiotic ants (noun.plant) |
| hyponym | : | microgramma-piloselloides, snake polypody, |
| definition | : | epiphytic ferns with long rhizomes; tropical America (noun.plant) |
| hyponym | : | climbing bird's nest fern, microsorium punctatum, |
| definition | : | tropical Africa to Australasia and Polynesia (noun.plant) |
| hyponym | : | golden polypody, phlebodium aureum, polypodium aureum, rabbit's-foot fern, serpent fern, |
| definition | : | tropical American fern with brown scaly rhizomes cultivated for its large deeply lobed deep bluish-green fronds; sometimes placed in genus Polypodium (noun.plant) |
| hyponym | : | staghorn fern, |
| definition | : | any of various tropical ferns of the genus Platycerium having large flat lobed fronds often resembling the antlers of a stag (noun.plant) |
| hyponym | : | cyclophorus lingua, felt fern, pyrrosia lingua, tongue fern, |
| definition | : | east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus (noun.plant) |
| hyponym | : | potato fern, solanopteris bifrons, |
| definition | : | small epiphytic fern of South America with tuberous swellings along rhizomes (noun.plant) |
| hyponym | : | grass fern, ribbon fern, vittaria lineata, |
| definition | : | epiphytic fern found in lowland forests of tropical America (noun.plant) |
| hyponym | : | spleenwort, |
| definition | : | any of various chiefly rock-inhabiting ferns of the genus Asplenium (noun.plant) |
| hyponym | : | asplenium nidus, bird's nest fern, |
| definition | : | tropical Old World or Australian epiphytic fern frequently forming tufts in tree crotches (noun.plant) |
| hyponym | : | asplenium scolopendrium, hart's-tongue, hart's-tongue fern, phyllitis scolopendrium, |
| definition | : | Eurasian fern with simple lanceolate fronds (noun.plant) |
| hyponym | : | asplenium ceterach, ceterach officinarum, scale fern, scaly fern, |
| definition | : | small European fern with chaffy leathery fronds (noun.plant) |
| hyponym | : | asplenium nigripes, schaffneria nigripes, scolopendrium nigripes, |
| definition | : | a fern of the genus Schaffneria (noun.plant) |
| hyponym | : | scolopendrium, |
| definition | : | a fern thought to resemble a millipede (noun.plant) |
| hyponym | : | hard fern, |
| definition | : | any of several ferns of the genus Blechnum (noun.plant) |
| hyponym | : | chain fern, |
| definition | : | a fern of the genus Woodwardia having the sori in chainlike rows (noun.plant) |
| hyponym | : | tree fern, |
| definition | : | any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae (noun.plant) |
| hyponym | : | davallia, |
| definition | : | any fern of the genus Davallia; having scaly creeping rhizomes (noun.plant) |
| hyponym | : | boulder fern, dennstaedtia punctilobula, hay-scented, hay-scented fern, scented fern, |
| definition | : | fern of eastern North America with pale green fronds and an aroma like hay (noun.plant) |
| hyponym | : | bracken, brake, pasture brake, pteridium aquilinum, |
| definition | : | large coarse fern often several feet high; essentially weed ferns; cosmopolitan (noun.plant) |
| hyponym | : | bracken, pteridium esculentum, |
| definition | : | fern of southeastern Asia; not hardy in cold temperate regions (noun.plant) |
| hyponym | : | culcita dubia, false bracken, |
| definition | : | resembles Pteridium aquilinum; of Queensland, Australia (noun.plant) |
| hyponym | : | buckler fern, shield fern, |
| definition | : | any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori (noun.plant) |
| hyponym | : | athyrium filix-femina, lady fern, |
| definition | : | most widely grown fern of the genus Athyrium for its delicate foliage (noun.plant) |
| hyponym | : | athyrium pycnocarpon, diplazium pycnocarpon, glade fern, narrow-leaved spleenwort, silvery spleenwort, |
| definition | : | North American fern with narrow fronds on yellowish leafstalks (noun.plant) |
| hyponym | : | cyrtomium aculeatum, holly fern, polystichum aculeatum, |
| definition | : | tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum (noun.plant) |
| hyponym | : | bladder fern, |
| definition | : | any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori (noun.plant) |
| hyponym | : | athyrium thelypteroides, deparia acrostichoides, silvery spleenwort, |
| definition | : | fern with elongate silvery outgrowths enclosing the developing spores (noun.plant) |
| hyponym | : | gymnocarpium dryopteris, oak fern, thelypteris dryopteris, |
| definition | : | bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere (noun.plant) |
| hyponym | : | gymnocarpium robertianum, limestone fern, northern oak fern, |
| definition | : | yellow-green fern of rocky areas of northern hemisphere (noun.plant) |
| hyponym | : | fiddlehead, matteuccia struthiopteris, onoclea struthiopteris, ostrich fern, pteretis struthiopteris, shuttlecock fern, |
| definition | : | tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes (noun.plant) |
| hyponym | : | hart's-tongue, hart's-tongue fern, olfersia cervina, polybotria cervina, polybotrya cervina, |
| definition | : | tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus Polybotrya (noun.plant) |
| hyponym | : | bead fern, onoclea sensibilis, sensitive fern, |
| definition | : | beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes (noun.plant) |
| hyponym | : | canker brake, christmas fern, dagger fern, evergreen wood fern, polystichum acrostichoides, |
| definition | : | North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds (noun.plant) |
| hyponym | : | holly fern, |
| definition | : | any of various ferns of the genus Polystichum having fronds with texture and gloss like holly (noun.plant) |
| hyponym | : | leather fern, leatherleaf fern, polystichum adiantiformis, rumohra adiantiformis, ten-day fern, |
| definition | : | widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds (noun.plant) |
| hyponym | : | button fern, tectaria cicutaria, |
| definition | : | Jamaican fern having round buttonlike bulbils (noun.plant) |
| hyponym | : | indian button fern, tectaria macrodonta, |
| definition | : | fern of tropical Asia having round buttonlike bulbils (noun.plant) |
| hyponym | : | woodsia, |
| definition | : | any fern of the genus Woodsia (noun.plant) |
| hyponym | : | oleander fern, oleandra mollis, oleandra neriiformis, |
| definition | : | tropical fern having leathery fronds resembling oleander; found from Asia to Polynesia (noun.plant) |
| hyponym | : | sword fern, |
| definition | : | any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed (noun.plant) |
| hyponym | : | acrostichum aureum, golden fern, leather fern, |
| definition | : | stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides (noun.plant) |
| hyponym | : | maidenhair, maidenhair fern, |
| definition | : | any of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched fronds (noun.plant) |
| hyponym | : | annual fern, anogramma leptophylla, jersey fern, |
| definition | : | small short-lived fern of Central and South America (noun.plant) |
| hyponym | : | cheilanthes gracillima, lace fern, |
| definition | : | small tufted fern of northwestern America (noun.plant) |
| hyponym | : | bamboo fern, coniogramme japonica, |
| definition | : | fast-growing sturdy Japanese fern; cultivated for their attractive broad dark-green pinnate fronds (noun.plant) |
| hyponym | : | rock brake, |
| definition | : | dwarf deciduous lithophytic ferns (noun.plant) |
| hyponym | : | doryopteris pedata, hand fern, |
| definition | : | tropical American fern with coarsely lobed to palmatifid fronds (noun.plant) |
| hyponym | : | cliff brake, cliff-brake, rock brake, |
| definition | : | any of several small lithophytic ferns of tropical and warm temperate regions (noun.plant) |
| hyponym | : | button fern, pellaea rotundifolia, |
| definition | : | fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets (noun.plant) |
| hyponym | : | pityrogramma argentea, silver fern, |
| definition | : | fern of southern tropical Africa having fronds with white undersides (noun.plant) |
| hyponym | : | pityrogramma calomelanos, silver fern, |
| definition | : | tropical American fern having fronds with white undersides (noun.plant) |
| hyponym | : | golden fern, pityrogramma calomelanos aureoflava, |
| definition | : | tropical American fern having fronds with light golden undersides (noun.plant) |
| hyponym | : | gold fern, pityrogramma chrysophylla, |
| definition | : | fern of West Indies and South America having fronds with bright golden-yellow undersides (noun.plant) |
| hyponym | : | brake, |
| definition | : | any of various ferns of the genus Pteris having pinnately compound leaves and including several popular houseplants (noun.plant) |
| hyponym | : | pteris cretica, |
| definition | : | cultivated in many varieties as houseplants (noun.plant) |
| hyponym | : | pteris multifida, spider brake, spider fern, |
| definition | : | Asiatic fern introduced in America (noun.plant) |
| hyponym | : | pteris serrulata, ribbon fern, spider fern, |
| definition | : | fern of North Africa and Azores and Canary Islands (noun.plant) |
| hyponym | : | marattia salicina, potato fern, |
| definition | : | large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people (noun.plant) |
| hyponym | : | dryopteris thelypteris, marsh fern, thelypteris palustris, |
| definition | : | fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions (noun.plant) |
| hyponym | : | christella, |
| definition | : | any of several tropical ferns of the genus Christella having thin brittle fronds (noun.plant) |
| hyponym | : | dryopteris oreopteris, mountain fern, oreopteris limbosperma, |
| definition | : | common European mountain fern having fragrant lemon or balsam scented fronds (noun.plant) |
| hyponym | : | dryopteris noveboracensis, new york fern, parathelypteris novae-boracensis, |
| definition | : | slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris (noun.plant) |
| hyponym | : | massachusetts fern, parathelypteris simulata, thelypteris simulata, |
| definition | : | delicate feathery shield fern of the eastern United States; sometimes placed in genus Thelypteris (noun.plant) |
| hyponym | : | beech fern, |
| definition | : | any fern of the genus Phegopteris having deeply cut triangular fronds (noun.plant) |
| part holonym | : | fern seed, |
| definition | : | the asexual spore of ferns that resembles dust; once thought to be seeds and to make the possessor invisible (noun.plant) |
| member meronym | : | class filicinae, class filicopsida, filicinae, filicopsida, |
| definition | : | ferns (noun.plant) |
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