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Picea neoveitchii

Picea neoveitchii (lat.) - a type of coniferous trees of the genus spruce ( Picea ), endemic to China , a rare species is endangered.

Picea neoveitchii
Scientific classification
Domain:Eukaryotes
Kingdom:Plants
The kingdom :Green plants
Department:Conifers
Class:Conifers
Order:Pine
Family:Pine
Rod:Spruce
View:Picea neoveitchii
International Scientific Name

Picea neoveitchii Mast. 1903

Security status
Status iucn3.1 CR ru.svg Виды на грани исчезновения
Endangered Species
IUCN 3.1 Critically Endangered : 31276

Content

Spread

It grows in the central regions of China - south of Gansu , southwest of Henan ( Neixiang ), west of Hubei , south of Shaanxi , northeast of Shanxi ( Wutaishan ), Sichuan . The species is very rare; it is fragmentary within the range in the mountain coniferous forests on the southern slopes of the Qinling ridge at altitudes of 1300–2000 meters above sea level. There was a significant reduction in the area of ​​settlement and the size of the entire population, especially in Neixiang. Endangered species in need of protection.

Botanical description

Evergreen trees up to 15 m tall, with a trunk diameter of up to 50 cm. The trunk is covered with gray bark, scaly and flaking. Crown wide-conical shape. Young branches are pale yellow or brownish, become 2nd or 3rd year gray or yellowish gray, later gray or dark gray. Winter buds spherical, slightly resinous, scales, purple-brown, pressed to the base. The needles are oriented radially, the curved needles are directed forward, rhombic in cross section, 1.5-2.5 cm long and about 2 mm wide, with 4-7 wellhead lines along each surface, with sharp ends. Seed cones are green, ripe pale brown or brown, rarely yellow-green, oblong ovoid-cylindrical in shape, 8-14 in length and 5-6.5 cm in diameter. Seed diamonds are about 2.7 cm long and 2.7- 3 cm wide, with tops broadly rounded or dull. Seeds ovoid, 5-6 per 3.5 mm with a wing of about 1 cm. Pollination occurs in May, seed ripening occurs in September and October.

Taxonomy

Picea neoveitchii Mast. The Gardeners' Chronicle: a weekly illustrated journal of science and science subjects . ser. 3 33: 116–117, f. 50–51 . 1903.

Literature

  • Picea neoveitchii // Flora of China : [ eng ] = 中国 植物 志 : in 25 vol. / ed. by Z. Wu , PH Raven , . - Beijing: Science Press; St. Louis: Missouri Botanical Garden Press, 1999. - Vol. 4: Cycadaceae through Fagaceae. - P. 28. - 453 p. - ISBN 978-0-915279-34-0 . - ISBN 978-0-915279-70-8 (vol. 4).

Links

  • Picea neoveitchii (Eng.) : Information about the taxon on the site Tropicos .
  • Picea neoveitchii (大 果 青 扦) description / Christopher J. Earle (ed.) // The Gymnosperm Database.
Source - https://ru.wikipedia.org/w/index.php?title=Picea_neoveitchii&oldid=98291011


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Clever Geek | 2019