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Ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants that reproduce via spores and have neither seeds nor flowers. The green bodies of ferns are megaphylls. The coiled fiddleheads of leptosporangiate ferns open and expand into fronds.
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ferns plants species group gametophyte leaves also spores horsetails leptosporangiate polypodiopsida many sporophyte fronds division prothallus seed called families citation
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Fern | is a | symbol | 0.90 | text |
| Fern | is a | fractal named after the British mathematician Michael Barnsley | 0.90 | text |
| Fern | is a | national emblem of New Zealand and feature on its passport and in the design of its national airline | 0.90 | text |
| palms | instance of | some flowering plants | 0.80 | text |
| members of the carrot family have pinnate leaves that somewhat resemble fern fronds | instance of | some flowering plants | 0.80 | text |
| a dried fern can be thrown into hot coals of a fire to exorcise evil spirits | instance of | ferns are thought to have magical properties | 0.80 | text |
| or smoke from a burning fern is thought to drive away snakes | instance of | ferns are thought to have magical properties | 0.80 | text |
| such creatures.New ZealandThe Silver fern is the national emblem of New Zealand | instance of | ferns are thought to have magical properties | 0.80 | text |
| feature on its passport | instance of | ferns are thought to have magical properties | 0.80 | text |
| in the design of its national airline | instance of | ferns are thought to have magical properties | 0.80 | text |
| Air New Zealand | instance of | ferns are thought to have magical properties | 0.80 | text |
| and of its rugby team | instance of | ferns are thought to have magical properties | 0.80 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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