Dicksonia sellowiana
| Dicksonia sellowiana | |
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| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Pteridopsida |
| Order: | Cyatheales |
| Family: | Dicksoniaceae |
| Genus: | Dicksonia |
| Species: | D. sellowiana |
| Binomial name | |
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Dicksonia sellowiana Hook. |
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Dicksonia sellowiana, the xaxim, or samambaiaçu or imperial samambaiaçu, is an arborescent fern in the family Dicksoniaceae, native to the tropical Americas.
The fern is native to Southern Mexico, Central America, and South America.
In the South American Atlantic Forest biome, it is found in: Southeastern Brazil within in the states of Minas Gerais, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, and Rio Grande do Sul; in northeast of Argentina within Misiones Province; and within eastern Paraguay.
Dicksonia sellowiana has an erect and cilindric caudex, reaching sometimes more than 10 metres (33 ft) high, the fronds are bipinnate and 2 m (6 ft 7 in) long. Due to illegal extraction, the species is at risk of extinction.
Dicksonia sellowiana is variable in its form. Variations are sometimes treated as separate varieties, which include:
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Wikipedia