Difference between revisions of "Ilex crenata"

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|genus=Ilex
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|common_name=Japanese Holly, Box-leaved Holly, inutsuge
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|lifespan=perennial
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|features=evergreen
 
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Describe the plant here...
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'''''Ilex crenata''''' ('''Japanese Holly''' or '''Box-leaved Holly'''; [[Japanese language|Japanese]]: イヌツゲ ''inutsuge'') is a species of [[holly]] native to eastern [[China]], [[Japan]], [[Korea]], [[Taiwan]], and [[Sakhalin]].<ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?19691 ''Ilex crenata'']</ref>
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Japanese Holly is grown as an [[ornamental plant]] for its dense evergreen foliage. It is superficially similar in appearance to [[Buxus|box]] (''Buxus''), and is often used in similar situations; it can readily be distinguished from box by its alternate, not opposite, leaf arrangement.
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It is an [[evergreen]] [[shrub]] or small [[tree]] growing to a height of 3-5 m (rarely 10 m) tall, with a trunk diameter up to 20&nbsp;cm. The [[leaf|leaves]] are glossy dark green, small, 10-30&nbsp;mm long and 10-17&nbsp;mm broad, with a crenate margin, sometimes spiny. The [[flower]]s are [[plant sexuality|dioecious]], white, four-lobed. The [[fruit]] is a black [[drupe]] 5&nbsp;mm diameter, containing four [[seed]]s. It grows well in acidic soil, between a [[pH]] of 3.7 and 6.0.<ref name=oht>Osaka hundred trees: [http://www.ne.jp/asahi/osaka/100ju/Inutuge.htm ''Ilex crenata''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://www.ne.jp/asahi/osaka/100ju/Inutuge.htm&sa=X&oi=translate& google translation])</ref><ref name=osu>Okayama Science University: [http://had0.big.ous.ac.jp/~hada/plantsdic/angiospermae/dicotyledoneae/choripetalae/aquifoliaceae/inutsuge/inutsuge.htm ''Ilex crenata''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://had0.big.ous.ac.jp/~hada/plantsdic/angiospermae/dicotyledoneae/choripetalae/aquifoliaceae/inutsuge/inutsuge.htm&sa=X&oi=translate& google translation])</ref><ref name=rhs>Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.</ref>
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Ilex crenata, Thunb. (I. fortunei, Hort.). Much- branched shrub, rarely small tree to 20 ft.: lvs. oval, obovate or oblong-lanceolate, crenately serrate, glabrous, ½ - 1 ½ in. long: fls. 4-merous: fr. ¼ in. across, solitary, short-stalked. May, June; fr. in Oct. Japan. Gng. 6:165. F.E. 30:1161. G.M. 46:208. Gn. 64, E413. Gn.M. 4:237. Ilex crenata var. microphylla, Maxim, vs. 1/3 – ½ in. long, elliptic or elliptic-oblong. This variety is somewhat hardier than the type. Ilex crenata var. longifolia, Hort. Lvs. elliptic-oblong to lanceolate. Ilex crenata var. luteo-variegata, Regel (Ilex crenata var.aureo-variegata, Hort.). Lvs. spotted yellow, obovate. M.D.G. 1913:53.
 
Ilex crenata, Thunb. (I. fortunei, Hort.). Much- branched shrub, rarely small tree to 20 ft.: lvs. oval, obovate or oblong-lanceolate, crenately serrate, glabrous, ½ - 1 ½ in. long: fls. 4-merous: fr. ¼ in. across, solitary, short-stalked. May, June; fr. in Oct. Japan. Gng. 6:165. F.E. 30:1161. G.M. 46:208. Gn. 64, E413. Gn.M. 4:237. Ilex crenata var. microphylla, Maxim, vs. 1/3 – ½ in. long, elliptic or elliptic-oblong. This variety is somewhat hardier than the type. Ilex crenata var. longifolia, Hort. Lvs. elliptic-oblong to lanceolate. Ilex crenata var. luteo-variegata, Regel (Ilex crenata var.aureo-variegata, Hort.). Lvs. spotted yellow, obovate. M.D.G. 1913:53.
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==Varieties==
 
==Varieties==
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Numerous [[cultivar]]s have been selected, including plants with the leaves [[variegation|variegated]] (e.g. 'Golden Gem', 'Shiro-Fukurin'), dark green (e.g. 'Green Lustre'), or greyish-green (e.g. 'Bad Zwischenahn'); with yellow fruit (e.g. 'Ivory Hall'); and with the habit erect (e.g. 'Chesapeake'), spreading (e.g. 'Green Island', 'Hetzii'), or dwarf (e.g. '[[Charles Maries|Mariesii]]', 'Stokes').<ref name=rhs/>
  
 
==Gallery==
 
==Gallery==

Latest revision as of 22:44, 16 March 2010


Ilex Crenata2.jpg


Plant Characteristics
Lifespan: ⌛ perennial
Cultivation
Features: ✓ evergreen
Scientific Names

Aquifoliaceae >

Ilex >

crenata >

Thunb. >


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Ilex crenata (Japanese Holly or Box-leaved Holly; Japanese: イヌツゲ inutsuge) is a species of holly native to eastern China, Japan, Korea, Taiwan, and Sakhalin.[1]

Japanese Holly is grown as an ornamental plant for its dense evergreen foliage. It is superficially similar in appearance to box (Buxus), and is often used in similar situations; it can readily be distinguished from box by its alternate, not opposite, leaf arrangement.

It is an evergreen shrub or small tree growing to a height of 3-5 m (rarely 10 m) tall, with a trunk diameter up to 20 cm. The leaves are glossy dark green, small, 10-30 mm long and 10-17 mm broad, with a crenate margin, sometimes spiny. The flowers are dioecious, white, four-lobed. The fruit is a black drupe 5 mm diameter, containing four seeds. It grows well in acidic soil, between a pH of 3.7 and 6.0.[2][3][4]


Read about Ilex crenata in the Standard Cyclopedia of Horticulture 

Ilex crenata, Thunb. (I. fortunei, Hort.). Much- branched shrub, rarely small tree to 20 ft.: lvs. oval, obovate or oblong-lanceolate, crenately serrate, glabrous, ½ - 1 ½ in. long: fls. 4-merous: fr. ¼ in. across, solitary, short-stalked. May, June; fr. in Oct. Japan. Gng. 6:165. F.E. 30:1161. G.M. 46:208. Gn. 64, E413. Gn.M. 4:237. Ilex crenata var. microphylla, Maxim, vs. 1/3 – ½ in. long, elliptic or elliptic-oblong. This variety is somewhat hardier than the type. Ilex crenata var. longifolia, Hort. Lvs. elliptic-oblong to lanceolate. Ilex crenata var. luteo-variegata, Regel (Ilex crenata var.aureo-variegata, Hort.). Lvs. spotted yellow, obovate. M.D.G. 1913:53.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties

Numerous cultivars have been selected, including plants with the leaves variegated (e.g. 'Golden Gem', 'Shiro-Fukurin'), dark green (e.g. 'Green Lustre'), or greyish-green (e.g. 'Bad Zwischenahn'); with yellow fruit (e.g. 'Ivory Hall'); and with the habit erect (e.g. 'Chesapeake'), spreading (e.g. 'Green Island', 'Hetzii'), or dwarf (e.g. 'Mariesii', 'Stokes').[4]

Gallery

  • photo 1

  • photo 2

  • photo 3

References

  1. ↑ Germplasm Resources Information Network: Ilex crenata
  2. ↑ Osaka hundred trees: Ilex crenata (in Japanese; google translation)
  3. ↑ Okayama Science University: Ilex crenata (in Japanese; google translation)
  4. ↑ Jump up to: 4.0 4.1 Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan ISBN 0-333-47494-5.

External links


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