Tsuga diversifolia: Difference between revisions

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|familia=Pinaceae
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|genus=Tsuga
| growth_habit = ?  <!--- tree, shrub, herbaceous, vine, etc -->
|species=diversifolia
| high = ?  <!--- 1m (3 ft) -->
|common_name=North Japanese hemlock
| wide =     <!--- 65cm (25 inches) -->
|name_ref=Flora - A Gardener's Encyclopedia
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'''''Tsuga diversifolia''''', commonly known as the '''Northern Japanese Hemlock''', is a species of [[conifer]] native to the [[Japan]]ese islands of [[Honshū]], [[Kyūshū]], and [[Shikoku]]. In [[Europe]] and [[North America]], the species is sometimes employed as tree for the garden and has been in cultivation since 1861.
''T. diversifolia'' is an evergreen tree that attains heights of 25 m (80 feet). The crown is narrow, dense and conical. Young shoots are short, palely pubescent and bright orange to red-brown in colour. The densely arranged needles are linear-oblong and 5 to 15&nbsp;mm long and up to 2.4&nbsp;mm wide. They are a dark green in colour, glossy and furrowed above with two chalk white [[stomata]]l bands below.<ref name="ORSU">{{cite web
  | last =Breen
  | first =Patrick
  | authorlink =
  | coauthors =
  | title = Tsuga diversifolia
  | work =Landscape Plants: Images, Identification, and Information
  | publisher = Oregon State University
  | date =1999-2007
  | url =http://oregonstate.edu/dept/ldplants/tsdi.htm
  | accessdate = 2007-05-12 }}</ref>
The [[bark]] is an orange-brown in colour, shallowly fissured and vertically peeling. The [[bud]]s are a deep purple red. The dull purple, ovoid pistillate flowers are terminal on either long or short shoots. They measure about 5&nbsp;mm and as they mature become pale green with the centre and margin of each scale being purple. The [[conifer cone|cone]]s are 1.8 to 2.8&nbsp;cm long, cylindric-ovoid, and nearly sessile. They are dark brown, pendulous and the scales are slightly convex and ridged. <ref name="Mitchell">{{cite book
  | last =Mitchell
  | first =Alan
  | authorlink =Alan Mitchell
  | coauthors =
  | title =Trees of Britain & Northern Europe
  | publisher =Harper Collins Publishers
  | date =1974
  | location =London
  | pages = 146
  | id =ISBN 0-00-219213-6  }}</ref>
{{Inc|
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Tsuga diversifolia, Mast. (Abies diversifolia, Maxim. T. Sieboldii nana, Carr.). Tree, very similar to the preceding, but smaller and chiefly distinguished by the reddish brown pubescent branches: lvs. linear, emarginate or obtuse, shorter and narrower, broadest at the middle or toward the base: cone smaller, 1/2 – 3/4 in. long: peduncle not exceeding the bud-scales; bracts truncate, crenulate, not or slightly bifid. Japan.
Tsuga diversifolia, Mast. (Abies diversifolia, Maxim. T. Sieboldii nana, Carr.). Fig. 3859. Tree, very similar to the preceding, but smaller and chiefly distinguished by the reddish brown pubescent branches: lvs. linear, emarginate or obtuse, shorter and narrower, broadest at the middle or toward the base: cone smaller, 1/2 – 3/4 in. long: peduncle not exceeding the bud-scales; bracts truncate, crenulate, not or slightly bifid. Japan. G.F. 6:495; 10:493 (adapted in Fig. 3859). S.I.F. 2:4.
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Latest revision as of 15:47, 4 May 2010

 Tsuga diversifolia subsp. var.  North Japanese hemlock
The query description has an empty condition.: tree
Height: ⇕ to
Width: ⇔ to
50ft 25ft
Height: ⇕ The wikipage input value is empty (e.g. <code>SomeProperty::, [[]]</code>) and therefore it cannot be used as a name or as part of a query condition. to 50 ft
Width: ⇔ The wikipage input value is empty (e.g. <code>SomeProperty::, [[]]</code>) and therefore it cannot be used as a name or as part of a query condition. to 25 ft
The query description has an empty condition.: ⌛
Origin: ✈
Poisonous: ☠
Bloom: ❀
The query description has an empty condition.: ☼ sun
The query description has an empty condition.: ◍
Features: ✓
Hidden fields, interally pass variables to right place
Minimum Temp: ☃ °F
USDA Zones: 5 to 8
Sunset Zones:
Flower features: ❀
Pinaceae > Tsuga diversifolia var. ,



Tsuga diversifolia, commonly known as the Northern Japanese Hemlock, is a species of conifer native to the Japanese islands of Honshū, Kyūshū, and Shikoku. In Europe and North America, the species is sometimes employed as tree for the garden and has been in cultivation since 1861.

T. diversifolia is an evergreen tree that attains heights of 25 m (80 feet). The crown is narrow, dense and conical. Young shoots are short, palely pubescent and bright orange to red-brown in colour. The densely arranged needles are linear-oblong and 5 to 15 mm long and up to 2.4 mm wide. They are a dark green in colour, glossy and furrowed above with two chalk white stomatal bands below.[1]

The bark is an orange-brown in colour, shallowly fissured and vertically peeling. The buds are a deep purple red. The dull purple, ovoid pistillate flowers are terminal on either long or short shoots. They measure about 5 mm and as they mature become pale green with the centre and margin of each scale being purple. The cones are 1.8 to 2.8 cm long, cylindric-ovoid, and nearly sessile. They are dark brown, pendulous and the scales are slightly convex and ridged. [2]


Standard Cyclopedia of Horticulture

Tsuga diversifolia, Mast. (Abies diversifolia, Maxim. T. Sieboldii nana, Carr.). Tree, very similar to the preceding, but smaller and chiefly distinguished by the reddish brown pubescent branches: lvs. linear, emarginate or obtuse, shorter and narrower, broadest at the middle or toward the base: cone smaller, 1/2 – 3/4 in. long: peduncle not exceeding the bud-scales; bracts truncate, crenulate, not or slightly bifid. 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.


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References

External links


  1. ↑ Breen, Patrick (1999-2007). "Tsuga diversifolia". Landscape Plants: Images, Identification, and Information. Oregon State University. Retrieved on 2007-05-12.
  2. ↑ Mitchell, Alan (1974). Trees of Britain & Northern Europe. London: Harper Collins Publishers. pp. 146. ISBN 0-00-219213-6. 
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