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Cyrtomium fortunei - J.Sm.

Common Name Asian netvein hollyfern
Family Dryopteridaceae
USDA hardiness 5-9
Known Hazards Although we have found no reports of toxicity for this species, a number of ferns contain carcinogens so some caution is advisable[200]. Many ferns also contain thiaminase, an enzyme that robs the body of its vitamin B complex. In small quantities this enzyme will do no harm to people eating an adequate diet that is rich in vitamin B, though large quantities can cause severe health problems. The enzyme is destroyed by heat or thorough drying, so cooking the plant will remove the thiaminase[172].
Habitats Thickets in hills and low mountains all over Japan[58]. In China it is found on the sides of ditches and roadways as well as in rocky crevices where it is damp and shady[147].
Range E. Asia - China, Japan, Korea.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Moist Soil Full shade Semi-shade Full sun
Cyrtomium fortunei Asian netvein hollyfern


Cyrtomium fortunei Asian netvein hollyfern

 

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Summary


Physical Characteristics

 icon of manicon of fern
Cyrtomium fortunei is an evergreen Fern growing to 0.5 m (1ft 8in) by 0.4 m (1ft 4in).
See above for USDA hardiness. It is hardy to UK zone 6. It is in leaf all year.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

C. falcatum fortunei.

Plant Habitats

Woodland Garden Dappled Shade; Shady Edge; not Deep Shade;

Edible Uses

None known

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Analgesic  Anthelmintic  Antibacterial  Anticoagulant  Antiviral  Depurative  Febrifuge  Haemostatic


The rhizome is analgesic, anthelmintic, antibacterial, anticoagulant, antiviral, depurative, febrifuge and haemostatic[147, 176, 218]. A decoction is used in the treatment of hookworm, tapeworm, ascariasis, filiariasis, acute infectious hepatitis and various bleeding ailments[147]. The decoction is also used as a preventative for influenza and measles[147].

References   More on Medicinal Uses

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Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

Requires a moderately loose soil, do not firm the soil any more than is necessary[1]. Tolerates a little direct sun but it grows better in the shade[200]. Grows well in a woodland garden[166]. Prefers a pH between 6 and 7 but this is not critical[200]. Dislikes too much winter moisture[1]. A very ornamental and hardy plant[1], tolerating temperatures down to about -30°c[200]. Members of this genus are rarely if ever troubled by browsing deer[233].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).

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Plant Propagation

Spores - best sown as soon as ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. Germinates in 1 - 3 months at 20°c[164]. Pot on small clumps of plantlets as soon as they are large enough to handle and keep humid until they are well established. Do not plant outside until the ferns are at least 2 years old and then only in a very well sheltered position. Division in spring or summer[188].

Other Names

If available other names are mentioned here

Native Range

TEMPERATE ASIA: China (Anhui Sheng, Fujian Sheng, Gansu Sheng (south), Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Hebei Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Shaanxi Sheng, Shandong Sheng, Shanxi Sheng, Sichuan Sheng, Yunnan Sheng, Zhejiang Sheng), Japan, Korea, South, Taiwan TROPICAL ASIA: India, Nepal, Thailand, Vietnam

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Cyrtomium falcatumHolly Fern, Japanese netvein hollyfern, Japanese HollyFern0.1 8-11 SLMHSNM01 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

Expert comment

Author

J.Sm.

Botanical References

58200275

Links / References

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