Fatsia japonica: Difference between revisions
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It is commonly grown as an [[ornamental plant]] in warm temperate regions where winters do not fall below about -15°C. ''F. japonica'' have been shown to effectively remove gaseous formaldehyde from indoor air.<ref name = JASHS2008>{{cite journal | title = Efficiency of Volatile Formaldehyde Removal by Indoor Plants: Contribution of Aerial Plant Parts versus the Root Zone | authors = Kwang Jin Kim, Mi Jung Kil, Jeong Seob Song, Eun Ha Yoo, Ki-Cheol Son, Stanley J. Kays | date = July 2008 | volume = 133 | issue = 4 | pages = 521–526 | ISSN = 0003-1062 | journal = [[Journal of The American Society for Horticultural Science]] }}</ref> |
It is commonly grown as an [[ornamental plant]] in warm temperate regions where winters do not fall below about -15°C. ''F. japonica'' have been shown to effectively remove gaseous formaldehyde from indoor air.<ref name = JASHS2008>{{cite journal | title = Efficiency of Volatile Formaldehyde Removal by Indoor Plants: Contribution of Aerial Plant Parts versus the Root Zone | authors = Kwang Jin Kim, Mi Jung Kil, Jeong Seob Song, Eun Ha Yoo, Ki-Cheol Son, Stanley J. Kays | date = July 2008 | volume = 133 | issue = 4 | pages = 521–526 | ISSN = 0003-1062 | journal = [[Journal of The American Society for Horticultural Science]] }}</ref> |
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This plant |
This plant<ref>{{cite web|title=RHS Plant Selector - ''Fatsia japonica''|url=http://apps.rhs.org.uk/plantselector/plant?plantid=788|accessdate=19 June 2013}}</ref> and its cultivar ''F. japonica'' 'Variegata'<ref>{{cite web|title=RHS Plant Selector - ''Fatsia japonica'' 'Variegata'|url=http://apps.rhs.org.uk/plantselector/plant?plantid=2932|accessdate=19 June 2013}}</ref> have gained the [[Royal Horticultural Society]]'s [[Award of Garden Merit]]. |
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==Naturalisation== |
==Naturalisation== |
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Revision as of 22:17, 19 June 2013
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Fatsia japonica (fatsi or Japanese aralia; syn. Aralia japonica Thunb., A. sieboldii Hort. ex K.Koch) is a species of flowering plant in the family Araliaceae, native to southern Japan and South Korea.
It is an evergreen shrub growing to 3–6 m (9.8–19.7 ft) tall, with stout, sparsely branched stems. The leaves are spirally-arranged, large, 20–50 cm (7.9–19.7 in) in width and on a petiole up to 50 cm (20 in) long, leathery, palmately lobed, with 7–9 broad lobes, divided to half or two-thirds of the way to the base of the leaf; the lobes are edged with coarse, blunt teeth. The flowers are small, white, borne in dense terminal compound umbels in late autumn or early winter, followed by small black fruit.
The name "fatsi" is an approximation of the old Japanese word for 'eight' (hachi in modern Japanese), referring to the eight lobes. In Japan it is known as yatsude, meaning "eight fingers". The name "Japanese aralia" is due to the genus formerly being classified within a broader interpretation of the related genus Aralia in the past. It has been interbred with Hedera helix (common ivy) to produce the intergeneric hybrid × Fatshedera lizei.
Cultivation and uses
It is commonly grown as an ornamental plant in warm temperate regions where winters do not fall below about -15°C. F. japonica have been shown to effectively remove gaseous formaldehyde from indoor air.[1]
This plant[2] and its cultivar F. japonica 'Variegata'[3] have gained the Royal Horticultural Society's Award of Garden Merit.
Naturalisation
While grown as a landscaping plant, it has also become naturalised in some areas. In New Zealand it has become established in waste areas and abandoned gardens, spreading via suckers.
Health
The sap, which is sticky and resinous, can cause contact dermatitis in sensitive people.
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Fruiting body -
A small Fatsia japonica leaf -
Close-up of flower umbel
References
- ^ "Efficiency of Volatile Formaldehyde Removal by Indoor Plants: Contribution of Aerial Plant Parts versus the Root Zone". Journal of The American Society for Horticultural Science. 133 (4): 521–526. July 2008. ISSN 0003-1062.
{{cite journal}}: Unknown parameter|authors=ignored (help) - ^ "RHS Plant Selector - Fatsia japonica". Retrieved 19 June 2013.
- ^ "RHS Plant Selector - Fatsia japonica 'Variegata'". Retrieved 19 June 2013.
Further reading
- Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.
- BBC Gardening: Fatsia japonica
- Poplay, I. et al. (2010). "An illustrated Guide to Common Weeds Of New Zealand" 3rd ed. Pg. 36
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