Cyrtomium falcatum

Cyrtomium falcatum is a species of fern known by the common names house holly-fern[2] and Japanese holly fern. It is native to eastern Asia.

Cyrtomium falcatum

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Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Order: Polypodiales
Suborder: Polypodiineae
Family: Dryopteridaceae
Genus: Cyrtomium
Species:
C. falcatum
Binomial name
Cyrtomium falcatum
Synonyms[1]
  • Polypodium falcatum L.f.
  • Aspidium falcatum (L.f.) Sw.
  • Dryopteris falcata (L.f.) Kuntze
  • Polystichum falcatum (L.f.) Diels
  • Phanerophlebia falcata (L.f.) Copel.
  • Cyrtomium yiangshanense Ching & Y.C.Lan

It grows from crevices in coastal cliffs, stream banks, rocky slopes, and other moist, stable areas.

Description
Sorus; diameter about 1.2 mm. (The reddish background is chlorophyll fluorescence.)

This fern is a perennial plant with a large light brown rhizome.

Cyrtomium falcatum has leaves exceeding 0.5 metres (1.6 ft) in length made up of six to ten pairs of shiny bright green leaflets. Each leathery leaflet has a flat to wavy to slightly toothed margin and a netlike pattern of veining. The underside of each leaflet has sori beneath brown or black indusia.

Cultivation

Cyrtomium falcatum is a popular ornamental plant in temperate climate gardens (zones 7 to 10), and is also popular as a house plant. It is hardier than most ferns; it thrives in light shade to deep shade with average fern soil. It is easily and quickly propagated by spores, but it can also be propagated via rhizome division.

This plant has gained the Royal Horticultural Society's Award of Garden Merit.[3]

The fern has escaped from cultivation on other continents and has become established in the wild as an introduced species. It can now be found in much of Europe, North America, the Atlantic Islands, Australia, New Zealand, and South America.[4]

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References
  1. Synonyms Tropicos.org. Missouri Botanical Garden. 12 Jan 2012
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. "Cyrtomium falcatum". www.rhs.org. Royal Horticultural Society. Retrieved 5 May 2020.
  4. Olsen, Sue. Encyclopedia of Garden Ferns. 2007.
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