Pinus tabuliformis

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Pinus tabuliformis
PinusTabulaeformis4.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Pinus
Section: P. sect. Pinus
Subsection: P. subsect. Pinus
Species:
P. tabuliformis
Binomial name
Pinus tabuliformis

Pinus tabuliformis, also called Chinese red pine, [1] Manchurian red pine, [2] or Southern Chinese pine [3] is a pine native to northern China and northern Korea.

Contents

Description

Pinus tabuliformis is a medium-sized evergreen tree growing to 20–30 metres (66–98 feet) tall, with a flat-topped crown when mature. The growth rate is fast when young, but slows with age. The grey-brown bark fissures at an early age compared to other trees. The broadly spreading shape is very pronounced, in part due to the long horizontal branching pattern.

The needle-like leaves are shiny grey-green, 10–17 centimetres (4–6+34 inches) long and 1.5 millimetres (116 in) broad, usually in pairs but occasionally in threes at the tips of strong shoots on young trees. The cones are green, ripening brown about 20 months after pollination, broad ovoid, 4–6 cm (1+582+38 in) long, with broad scales, each scale with a small prickle. The seeds are 6–7 mm (14932 in) long with a 15–20 mm (9161316 in) wing, and are wind-dispersed.

Varieties

There are two varieties:

Some botanists also treat the closely related Henry's pine ( Pinus henryi ) and Sikang pine ( Pinus densata ) as varieties of Chinese red pine; in some older texts even the very distinct Yunnan pine ( Pinus yunnanensis ) is included as a variety.

Taxonomy

In some older texts the name is spelled "Pinus tabulaeformis". [4]

The specific epithet, tabuliformis ('table-shaped'), refers to the species' flat-topped crown.

Distribution and habitat

The species can be found in northern China from Liaoning west to Inner Mongolia and Gansu, and south to Shandong, Henan and Shaanxi, as well as northern Korea.

Uses

The wood is used for general construction. The pulpwood produces certain resins that are used as artificial vanilla flavouring (vanillin). The resin is also used to make turpentine and related products, and is used medicinally to treat a variety respiratory and internal ailments, such as kidney and bladder upsets, wounds, and sores. The bark is a source of tannin. Medicinal use of the pine needles also takes place, which also contain a natural insecticide, as well as a source for a dye.[ citation needed ] The needles are used to brew pine needle tea (sollip-cha). [5]

In the ancient Chinese Zhou dynasty, P. tabuliformis was an official memorial tree, being planted on temple grounds, and in graveyards near the tombs of kings. [4]

It has been widely used for afforestation in Northwest China. [6]

Its cultivation is uncommon outside of China, grown only in botanical gardens.

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<i>Rhyacionia duplana</i> Species of moth

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References

  1. 1 2 Farjon, A. (2013). "Pinus tabuliformis". IUCN Red List of Threatened Species . 2013: e.T42419A2978916. doi: 10.2305/IUCN.UK.2013-1.RLTS.T42419A2978916.en . Retrieved 12 November 2021.
  2. English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 575. ISBN   978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 17 December 2016 via Korea Forest Service.
  3. NRCS. "Pinus tabuliformis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 5 October 2015.
  4. 1 2 Li, Hui-Lin (1974). The Origin and Cultivation of Shade and Ornamental Trees. Pennsylvania, United States: University of Pennsylvania Press. pp. 201, 202, 205. ISBN   0-8122-1070-0.
  5. "sollip-cha" 솔잎차. Standard Korean Language Dictionary (in Korean). National Institute of Korean Language. Archived from the original on 25 February 2018. Retrieved 9 June 2017.
  6. Hu, Yanting; Tian, Qing; Zhang, Jinxia; Benoy, Glenn; Badreldin, Nasem; Xing, Zisheng; Luo, Zhuzhu; Zhang, Fu (2022-07-08). Liu, Chun (ed.). "Effectiveness of Chinese pine (Pinus tabulaeformis) plantation at reducing runoff and erosion rates in Anjiagou Watershed in Semi-arid Region of Gansu, China". PLOS ONE. 17 (7): e0271200. doi: 10.1371/journal.pone.0271200 . ISSN   1932-6203. PMC   9269950 . PMID   35802737.