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Juniperus recurva

From Wikipedia, the free encyclopedia

Juniperus recurva
Foliage on a cultivated plant in Britain
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Cupressales
Family: Cupressaceae
Genus: Juniperus
Section: Juniperus sect. Sabina
Species:
J. recurva
Binomial name
Juniperus recurva

Juniperus recurva, commonly named the Himalayan juniper[2] or drooping juniper, is a juniper native to the Himalaya, from northern Pakistan, through India, Nepal and Bhutan, to western Yunnan in southwestern China. It grows at altitudes of 3,000–4,000 metres (9,800–13,100 feet).

Description

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Juniperus recurva is a large shrub or tree reaching 6–20 metres (20–66 feet) tall (rarely 25 m), with a trunk up to 2 m (6+12 ft) in diameter and a broadly conical to rounded or irregular crown. The leaves are needle-like, 5–10 millimetres (31638 inch) long, arranged in six ranks in alternating whorls of three.

The cones are berry-like, globose to ovoid, 5–10 mm long and 4–7 mm diameter, glossy blue-black, and contain one seed; they are mature in about 18 months. The male cones are 3–4 mm long, and shed their pollen in early spring. It is largely monoecious with pollen and seed cones produced on the same plants.

Varieties

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There are two varieties, treated as distinct species by some botanists:

  • Juniperus recurva var. recurva - leaves mostly 5–8 mm. Throughout the range.
  • Juniperus recurva var. coxii - leaves mostly 7–10 mm. Confined to the eastern Himalaya on high rainfall sites.

Cultivation

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Juniperus recurva is planted as an ornamental tree in western Europe, valued for its drooping foliage, particularly pendulous in the cultivar 'Castlewellan'.

References

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  1. ^ Li, N.; Farjon, A.; Christian, T.; Rushforth, K. (2013). "Juniperus recurva". IUCN Red List of Threatened Species. 2013: e.T42247A2966352. doi:10.2305/IUCN.UK.2013-1.RLTS.T42247A2966352.en. Retrieved 12 November 2021.
  2. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
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