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Ptisana Salicina or King Fern is a species of fern.




Images of Ptisana Salicina or King Fern at google.com

Ptisana Salicina which is also known as King Fern is a species of fern.

Overview of Ptisana Salicina or King Fern

• It is native to Australia and the South Pacific.
• It is large and robust.
• It has a distinctive tropical appearance.
• It has fronds up to 5 metres tall.
• These fronds arise from a starchy base.
• It was a traditional food for the Maori.

Other common names include:
– Para
– Tawhiti-para
– Horseshoe fern
• It prefers limestone-rich soils.
• King fern is seriously threatened by feral and domestic cattle, wild pigs and goats.
• The leaves of this species are green and cane-like.
• They are 1 to 3 metres long.
• The young fronds are protected by a large ear-shaped basal lobe which is located at the base.
• The fronds are glossy and dark green.
• They are about 4 metres to 5 metres long and 2 metres wide.
• The juvenile fronds are less robust.
• They wilt quickly upon exposed to sunlight.

Scientific classification for Ptisana Salicina or King Fern

• Kingdom : Plantae
• Division : Pteridophyta
• Class : Marattiopsida
• Order : Marattiales
• Family : Marattiaceae
• Genus : Ptisana
• Species : P. salicina
• Binomial name : Ptisana salicina

Growing/Caring conditions

• Locate a shady location.
• The site should receive periodic direct sunlight.
• Tree ferns will not thrive in complete shade.
• It should be planted in areas.
• The location should receive some direct sunlight.
• The locations should also have plenty of space to develop.
• Mature ferns may have a spread of 15 feet or more.
• Till compost into the soil of the planting site.
• This will help to improve drainage.
• It will also provide nutrients for developing tree ferns.
• Compost should be thoroughly mixed into the soil to a depth of at least 2 feet.
• Tilling the soil helps young tree fern roots to develop and expand underground.
• Sow tree fern spores into the soil.
• Cover with a thin layer of soil.
• If planting a small tree fern from a nursery, loosen the roots of young tree ferns before planting.
• If the roots are tangled and stunted, carefully cut with scissors.
• This will spur new root development.
• Place the plant gently into the soil.
• Ensure that the roots are evenly spread.
• Place mulch around the tree fern.
• Help maintain soil moisture.
• Fertilize tree ferns lightly.
• It should be fertilized throughout the growing season with a wet fertilizer.
• Water tree ferns regularly.
• Cover tree fern fronds with newspapers.
• This is to protect tree ferns from frost damage as needed.
• Prune brown fronds as needed.
• Monitor closely for diseases.
• Tree ferns are most commonly infested by mites, mealy bugs and termites.





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