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- Ptisana_purpurascens abstract "Ptisana purpurascens is a large fern belonging to the botanical family Marattiaceae. It has a globular rhizome with stipule-like fleshy outgrowths. The leaves are dark green, twice pinnate and up to 1 metre long. Every pinnule has up to six pairs of leaflets. The petioles are dark-purplish, hence the name 'purpurascens' meaning 'becoming purple'. The sporangia are fused in all Ptisana into a bivalvate synangium.Conservation plans have been proposed for Ptisana purpurascens, an endemic of the distant Ascension Island in the South Atlantic, where a single population remains on Green Mountain. While the mature plants are still present in large numbers, long-term threats to its survival exist in the form of competition with alien invasive species like introduced plants such as Buddleja madagascariensis and grazing by sheep and rabbits. Successful reproduction is very rare, making the species highly endangered.".
- Ptisana_purpurascens class Marattiaceae.
- Ptisana_purpurascens conservationStatus "CR".
- Ptisana_purpurascens conservationStatusSystem "IUCN3.1".
- Ptisana_purpurascens division Pteridophyte.
- Ptisana_purpurascens family Marattiaceae.
- Ptisana_purpurascens genus Ptisana.
- Ptisana_purpurascens kingdom Plant.
- Ptisana_purpurascens order Marattiaceae.
- Ptisana_purpurascens thumbnail Marattia_purpurascens_JdP.jpg?width=300.
- Ptisana_purpurascens wikiPageExternalLink displayAbstract;jsessionid=8DBCCE5379982AED17988233915577B1.tomcat1?fromPage=online&aid=360019.
- Ptisana_purpurascens wikiPageExternalLink Marattia_purpurascens.
- Ptisana_purpurascens wikiPageID "9767821".
- Ptisana_purpurascens wikiPageLength "2496".
- Ptisana_purpurascens wikiPageOutDegree "28".
- Ptisana_purpurascens wikiPageRevisionID "508876645".
- Ptisana_purpurascens wikiPageWikiLink Ascension_Island.
- Ptisana_purpurascens wikiPageWikiLink Buddleja_madagascariensis.
- Ptisana_purpurascens wikiPageWikiLink Category:Endemic_flora.
- Ptisana_purpurascens wikiPageWikiLink Category:Fern_species.
- Ptisana_purpurascens wikiPageWikiLink Category:Flora_of_Ascension_Island.
- Ptisana_purpurascens wikiPageWikiLink Category:Marattiopsida.
- Ptisana_purpurascens wikiPageWikiLink Category:Near_threatened_plants.
- Ptisana_purpurascens wikiPageWikiLink Category:Pteridophyta_of_the_Americas.
- Ptisana_purpurascens wikiPageWikiLink Danaea_kalevala.
- Ptisana_purpurascens wikiPageWikiLink Endemism.
- Ptisana_purpurascens wikiPageWikiLink Globular.
- Ptisana_purpurascens wikiPageWikiLink Globular_cluster.
- Ptisana_purpurascens wikiPageWikiLink Green_Mountain.
- Ptisana_purpurascens wikiPageWikiLink Hugo_de_Vries.
- Ptisana_purpurascens wikiPageWikiLink Leaflet.
- Ptisana_purpurascens wikiPageWikiLink Leaflets.
- Ptisana_purpurascens wikiPageWikiLink Marattiaceae.
- Ptisana_purpurascens wikiPageWikiLink Marattiales.
- Ptisana_purpurascens wikiPageWikiLink Marattiopsida.
- Ptisana_purpurascens wikiPageWikiLink New_Zealand.
- Ptisana_purpurascens wikiPageWikiLink Petiole_(botany).
- Ptisana_purpurascens wikiPageWikiLink Plant.
- Ptisana_purpurascens wikiPageWikiLink Pteridophyta.
- Ptisana_purpurascens wikiPageWikiLink Pteridophyte.
- Ptisana_purpurascens wikiPageWikiLink Ptisana.
- Ptisana_purpurascens wikiPageWikiLink Ptisana_salicina.
- Ptisana_purpurascens wikiPageWikiLink Rhizome.
- Ptisana_purpurascens wikiPageWikiLink Sporangia.
- Ptisana_purpurascens wikiPageWikiLink Sporangium.
- Ptisana_purpurascens wikiPageWikiLink Stipule.
- Ptisana_purpurascens wikiPageWikiLink Synangium.
- Ptisana_purpurascens wikiPageWikiLinkText "Ptisana purpurascens".
- Ptisana_purpurascens binomial "Ptisana purpurascens".
- Ptisana_purpurascens classis Marattiaceae.
- Ptisana_purpurascens classis Marattiopsida.
- Ptisana_purpurascens divisio Pteridophyta.
- Ptisana_purpurascens divisio Pteridophyte.
- Ptisana_purpurascens familia Marattiaceae.
- Ptisana_purpurascens genus "Ptisana".
- Ptisana_purpurascens hasPhotoCollection Ptisana_purpurascens.
- Ptisana_purpurascens ordo Marattiaceae.
- Ptisana_purpurascens ordo Marattiales.
- Ptisana_purpurascens regnum "Plantae".
- Ptisana_purpurascens species "P. purpurascens".
- Ptisana_purpurascens speciesAuthority "Murdock]".
- Ptisana_purpurascens status "CR".
- Ptisana_purpurascens statusSystem "IUCN3.1".
- Ptisana_purpurascens wikiPageUsesTemplate Template:Ascension-stub.
- Ptisana_purpurascens wikiPageUsesTemplate Template:Fern-stub.
- Ptisana_purpurascens wikiPageUsesTemplate Template:No_footnotes.
- Ptisana_purpurascens wikiPageUsesTemplate Template:Reflist.
- Ptisana_purpurascens wikiPageUsesTemplate Template:Taxobox.
- Ptisana_purpurascens subject Category:Endemic_flora.
- Ptisana_purpurascens subject Category:Fern_species.
- Ptisana_purpurascens subject Category:Flora_of_Ascension_Island.
- Ptisana_purpurascens subject Category:Marattiopsida.
- Ptisana_purpurascens subject Category:Near_threatened_plants.
- Ptisana_purpurascens subject Category:Pteridophyta_of_the_Americas.
- Ptisana_purpurascens hypernym Fern.
- Ptisana_purpurascens type Article.
- Ptisana_purpurascens type Eukaryote.
- Ptisana_purpurascens type Fern.
- Ptisana_purpurascens type Plant.
- Ptisana_purpurascens type Species.
- Ptisana_purpurascens type Article.
- Ptisana_purpurascens type Thing.
- Ptisana_purpurascens type Q19088.
- Ptisana_purpurascens type Q756.
- Ptisana_purpurascens comment "Ptisana purpurascens is a large fern belonging to the botanical family Marattiaceae. It has a globular rhizome with stipule-like fleshy outgrowths. The leaves are dark green, twice pinnate and up to 1 metre long. Every pinnule has up to six pairs of leaflets. The petioles are dark-purplish, hence the name 'purpurascens' meaning 'becoming purple'.".
- Ptisana_purpurascens label "Ptisana purpurascens".
- Ptisana_purpurascens sameAs Ptisana_purpurascens.
- Ptisana_purpurascens sameAs m.02prlc7.
- Ptisana_purpurascens sameAs Ptisana_purpurascens.
- Ptisana_purpurascens sameAs Ptisana_purpurascens.
- Ptisana_purpurascens sameAs Ptisana_purpurascens.
- Ptisana_purpurascens sameAs Q5489698.
- Ptisana_purpurascens sameAs Q5489698.
- Ptisana_purpurascens wasDerivedFrom Ptisana_purpurascens?oldid=508876645.
- Ptisana_purpurascens depiction Marattia_purpurascens_JdP.jpg.
- Ptisana_purpurascens isPrimaryTopicOf Ptisana_purpurascens.