Polypodiophyta

E47097

Polypodiophyta is the botanical division comprising the true ferns, a large group of vascular, spore-producing plants with characteristic fronds and a worldwide distribution.


Statements (47)
Predicate Object
instanceOf plant division
taxonomic group
vascular plant clade
alsoKnownAs Monilophyta
Pteridophyta
commonName ferns
dispersalUnit spore
distinguishedFrom lycophytes
distribution cosmopolitan
worldwide
diversity large group of species
doesNotProduce flowers
fruits
seeds
ecologicalRole habitat for invertebrates
soil stabilization
understory vegetation
evolvedFrom early vascular plants
fertilizationType water-dependent
fossilRecord Paleozoic
gametophyteType prothallus
habitat aquatic
epiphytic
terrestrial
hasCharacteristic alternation of generations
fronds
megaphyllous leaves
hasVascularTissue phloem
xylem
isA vascular plant
kingdom Plantae
leafType circinate vernation (fiddleheads) in young fronds
lifeCycleStage dominant sporophyte generation
free-living gametophyte generation
photosyntheticOrgan frond
reproductionType spore-producing
richestIn tropical regions
sporangiaType eusporangiate in some lineages
leptosporangiate in most species
subdivisionIncludes Marattiopsida
Ophioglossopsida
Polypodiopsida
taxonRank division
typicalSporangiaLocation sori on underside of fronds
uses food in some cultures
ornamental plants
traditional medicine

Referenced by (13)
Subject (surface form when different) Predicate
Cyathea ("Polypodiopsida")
Cyatheaceae ("Polypodiopsida")
silver fern ("Polypodiopsida")
class
Cyathea
Cyatheaceae
silver fern
division
Polypodiophyta ("Polypodiopsida")
Polypodiophyta ("Ophioglossopsida")
subdivisionIncludes
Tracheophyta ("Pteridophyta")
Tracheophyta
superdivisionOf
Polypodiophyta ("Monilophyta")
alsoKnownAs
Spermatophyta ("Pteridophyta")
distinguishedFrom
silver fern ("Cyatheales")
order

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