Manchurian Fir
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Manchurian Fir

Abies holophylla
Abies holophylla.jpg
Foliage on young tree
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Abies
Species:
A. holophylla
Binomial name
Abies holophylla

Abies holophylla, also called needle fir[2] or Manchurian fir, is a species of fir native to mountainous regions of northern Korea, southern Ussuriland, and China in the provinces of Heilongjiang, Jilin, and Liaoning.

It is an evergreen coniferous tree growing to 30 m (100 ft) tall and 1 m (3 ft) in trunk diameter with a narrowly conical crown of horizontal spreading branches. The bark is scaly and gray-brown with resin blisters. The leaves ("needles") are flattened, 2-4 cm (34-1+12 in) long and 1.5-2.5 mm (116-332 in) thick, spread at right angles from the shoot, and end in a point.[3]

They spread on two sides, but not flat like for example in silver fir. Usually they more or less rise up forming with the shoot a V-shape empty compartment above it. Unlike in silver fir, the leaves here are sharp and prickly, without any indentation at the top.[4]

They are bright green above and whitish-green below with 2 whitish strips, each of which is formed by 7–10 wax-covered stomatal bands. The shoots are glabrous, shiny yellow-gray when young and turning gray-brown. The cones are 12-14 cm (4+34-5+12 in) long by 4-5 cm (1+12-2 in) wide, yellow-brown, and slightly tapering with a bluntly rounded apex. The scale bracts are hidden under the cone scales. The seeds, 8-9 mm (516-38 in) long with a wedge-shaped wing 1.5 cm (58 in) long, are released after the cones disintegrate at maturity in October.

Manchurian fir is sometimes, but not commonly, used as an ornamental plant.[3]

Gallery

References

  1. ^ Katsuki, T.; Zhang, D. & Rushforth, K. (2013). "Abies holophylla". IUCN Red List of Threatened Species. 2013: e.T42287A2969916. doi:10.2305/IUCN.UK.2013-1.RLTS.T42287A2969916.en.
  2. ^ English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 333. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 2016 – via Korea Forest Service.
  3. ^ a b Conifer Specialist Group (1998). "Abies holophylla". IUCN Red List of Threatened Species. 1998. Retrieved 2006.
  4. ^ a b Seneta, W?odzimierz (1981). Drzewa i krzewy iglaste (Coniferous trees and shrubs) (in Polish) (1st ed.). Warsaw: Pa?stwowe Wydawnictwo Naukowe (PWN). ISBN 83-01-01663-9.

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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