Marattiales

E850913

Marattiales is an order of ancient, large tropical ferns characterized by thick, fleshy rhizomes and massive fronds, representing one of the most primitive lineages of living ferns.

All labels observed (2)

Label Occurrences
Marattiales canonical 5
Marattia 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf order of ferns
taxonomic order
characterizedBy large size
massive fronds
thick fleshy rhizomes
chromosomeCharacteristic high chromosome numbers in many species
class Polypodiopsida
linked to: Polypodiidae
conservationStatus some species threatened by habitat loss
considered relict group of ferns
describedAs ancient lineage of ferns
one of the most primitive lineages of living ferns
distinguishedBy eusporangiate sporangia
massive, fleshy rhizomes
distinguishedFrom Polypodiales
linked to: Polypodiidae
distribution pantropical
division Polypodiophyta
Pteridophyta
linked to: Polypodiophyta
ecologicalRole understory plants in tropical forests
fossilRecord has extensive fossil record
gametophyteType free-living gametophyte
geologicalHistory originated in Paleozoic or early Mesozoic
hasFrondType large pinnate fronds
hasGrowthForm herbaceous
hasRepresentativeGenus Angiopteris
Christensenia
Danaea
Marattia
hasRhizomeType fleshy rhizome
isA fern order
monilophyte
vascular plant taxon
kingdom Plantae
leafAnatomy thick, fleshy rachis
leafLongevity long-lived fronds
lifeCycle alternation of generations
photosyntheticPathway C3 photosynthesis
phylogeneticPosition basal lineage within leptosporangiate and eusporangiate ferns groupings
reproductionType spore-bearing
requires moist substrates for gametophyte stage
rootSystem adventitious roots from rhizome
sporangiumType eusporangiate
sporeDispersal wind-dispersed spores
sporeProduction produces spores on fronds
subclass Marattiidae
taxonRank order
typicalHabitat humid forests
tropical regions
usedIn horticulture as ornamental ferns (some species)

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Marattiopsida containsOrder Marattiales
Marattiopsida containsGenus Marattia
linked to: Marattiales
Christensenia order Marattiales
Ptisana order Marattiales
Marattia fraxinea order Marattiales
Angiopteris order Marattiales