Difference between revisions of "Torreya nucifera"

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| latin_name = ''Torreya nucifera''
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|familia=Taxaceae
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| common_names =     <!--- if multiple, list all, if none, leave blank -->
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|genus=Torreya
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| growth_habit = tree
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|species=nucifera
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| high = ?  <!--- 1m (3 ft) -->
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|common_name=Japanese nutmeg yew, Kaya nut
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| wide =     <!--- 65cm (25 inches) -->
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|name_ref=Flora - A Gardener's Encyclopedia
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| origin = ?  <!--- Mexico, S America, S Europe, garden, etc -->
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|habit=tree
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| poisonous =     <!--- indicate parts of plants which are known/thought to be poisonous -->
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|Min ht box=50
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| lifespan = perennial
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|Min ht metric=ft
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| exposure = ?  <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
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|Max ht box=80
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| water = ?  <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
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|Max ht metric=ft
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| features =     <!--- flowers, fragrance, fruit, naturalizes, invasive -->
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|height_ref=Flora - A Gardener's Encyclopedia
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| hardiness =     <!--- frost sensitive, hardy, 5°C (40°F), etc -->
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|Max wd box=25
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| bloom =     <!--- seasons which the plant blooms, if it is grown for its flowers -->
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|Max wd metric=ft
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| usda_zones = ?  <!--- eg. 8-11 -->
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|width_ref=Flora - A Gardener's Encyclopedia
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| sunset_zones =     <!--- eg. 8, 9, 12-24, not available -->
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|lifespan=perennial
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| color = IndianRed
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|exposure=sun
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| image = Torreya nucifera bgiu.jpg
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|sun_ref=Flora - A Gardener's Encyclopedia
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| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
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|features=evergreen
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| image_caption =     <!--- eg. Cultivated freesias -->
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|Temp Metric=°F
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| regnum = Plantae  <!--- Kingdom -->
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|min_zone=7
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| divisio =   <!--- Phylum -->
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|usda_ref=Flora - A Gardener's Encyclopedia
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| classis =   <!--- Class -->
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|max_zone=10
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| ordo =   <!--- Order -->
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|image=Torreya nucifera bgiu.jpg
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| familia = Cephalotaxaceae
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|image_width=240
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| genus = Torreya  
 
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| species = nucifera
 
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'''''Torreya nucifera''''' is a slow-growing [[Pinophyta|coniferous]] [[tree]] native to southern [[Japan]] and to [[South Korea]]'s [[Jeju Island]]. It is also called '''Japanese Nutmeg-yew'''.
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It grows to 15-25 m tall with a trunk up to 1.5 m diameter. The [[leaf|leaves]] are [[evergreen]], needle-like, 2-3&nbsp;cm long and 3&nbsp;mm broad, with a sharply spined tip and two whitish [[stomata]]l bands on the underside; they are spirally arranged but twisted at the base to lie horizontally either side of the stem. It is [[plant sexuality|subdioecious]], with individual trees producing either mostly male or mostly female [[conifer cone|cones]] but usually with at least some cones of the other sex present. The male cones are globular, 5-6&nbsp;mm diameter, in a double row along the underside of a shoot. The female cones are borne in clusters of 3-8 together, maturing in 18–20 months to a single [[seed]] surrounded by a fleshy layer, 2&nbsp;cm long and 1.5&nbsp;cm broad.
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{{Inc|
 
{{Inc|
 
Torreya nucifera, Sieb. & Zucc. Tree, usually 30 ft., but occasionally 80 ft. high, with spreading branches, forming a compact head, sometimes shrubby: bark bright red: lvs. lanceolate, acuminate, rigid and spiny pointed, very dark green above, with 2 white lines beneath, 3/4 – 1 1/4 in. long and 1/8 – 1/6 in. broad: fr. obovoid-oblong, green, about 1 in. long. Japan.
 
Torreya nucifera, Sieb. & Zucc. Tree, usually 30 ft., but occasionally 80 ft. high, with spreading branches, forming a compact head, sometimes shrubby: bark bright red: lvs. lanceolate, acuminate, rigid and spiny pointed, very dark green above, with 2 white lines beneath, 3/4 – 1 1/4 in. long and 1/8 – 1/6 in. broad: fr. obovoid-oblong, green, about 1 in. long. Japan.
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==Gallery==
 
==Gallery==
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{{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery -->
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<gallery perrow=5>
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File:Torreya nucifera1.jpg
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<gallery>
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File:Torreya nucifera2.jpg
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Image:Upload.png| photo 1
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File:Torreya nucifera var. radicans 1.JPG|Var. radicans, tree, 　Aizu area, Fukushima pref., Japan
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Image:Upload.png| photo 2
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File:Torreya nucifera var. radicans 2.JPG|Var. radicans, leaves, back side, 　Aizu area, Fukushima pref., Japan
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Image:Upload.png| photo 3
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File:Torreya nucifera var. radicans 3.JPG|Var. radicans, pollen cones, 　Aizu area, Fukushima pref., Japan
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File:Torreya nucifera var. radicans 4.JPG|Var. radicans, seed cones, 　Aizu area, Fukushima pref., Japan
 
</gallery>
 
</gallery>
  
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Latest revision as of 18:05, 28 April 2010


Torreya nucifera bgiu.jpg


Plant Characteristics
Habit   tree

Height: ⇕ 50 ft"ft" can not be assigned to a declared number type with value 50. to 80 ft"ft" can not be assigned to a declared number type with value 80.
Width: ⇔ 25 ft"ft" can not be assigned to a declared number type with value 25.
Lifespan: ⌛ perennial
Cultivation
Exposure: ☼ sun
Features: ✓ evergreen
USDA Zones: 7 to 10
Scientific Names

Taxaceae >

Torreya >

nucifera >


Torreya nucifera is a slow-growing coniferous tree native to southern Japan and to South Korea's Jeju Island. It is also called Japanese Nutmeg-yew.

It grows to 15-25 m tall with a trunk up to 1.5 m diameter. The leaves are evergreen, needle-like, 2-3 cm long and 3 mm broad, with a sharply spined tip and two whitish stomatal bands on the underside; they are spirally arranged but twisted at the base to lie horizontally either side of the stem. It is subdioecious, with individual trees producing either mostly male or mostly female cones but usually with at least some cones of the other sex present. The male cones are globular, 5-6 mm diameter, in a double row along the underside of a shoot. The female cones are borne in clusters of 3-8 together, maturing in 18–20 months to a single seed surrounded by a fleshy layer, 2 cm long and 1.5 cm broad.


Read about Torreya nucifera in the Standard Cyclopedia of Horticulture 

Torreya nucifera, Sieb. & Zucc. Tree, usually 30 ft., but occasionally 80 ft. high, with spreading branches, forming a compact head, sometimes shrubby: bark bright red: lvs. lanceolate, acuminate, rigid and spiny pointed, very dark green above, with 2 white lines beneath, 3/4 – 1 1/4 in. long and 1/8 – 1/6 in. broad: fr. obovoid-oblong, green, about 1 in. long. Japan. CH


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

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Propagation

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Pests and diseases

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Species

Gallery

  • Torreya nucifera1.jpg
  • Torreya nucifera2.jpg

  • Var. radicans, tree, 　Aizu area, Fukushima pref., Japan

  • Var. radicans, leaves, back side, 　Aizu area, Fukushima pref., Japan

  • Var. radicans, pollen cones, 　Aizu area, Fukushima pref., Japan

  • Var. radicans, seed cones, 　Aizu area, Fukushima pref., Japan

References

External links


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