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Overview

Comprehensive Description

Derivation of specific name

torulosa: somewhat torulose or contracted at intervals
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Distribution

Localities documented in Tropicos sources

Cupressus torulosa D. Don ex Lamb.:
India (Asia)
Nepal (Asia)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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E and S Xizang [?Bhutan, N India, Kashmir, Nepal, ?Sikkim, ?Vietnam]
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Distribution: E. Kashmir to C. Nepal.
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Himalaya (Kashmir to C. Nepal).
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Physical Description

Morphology

Description

Trees up to 30 m tall with spreading branches and drooping branchlets. Bark peeling off in long strips. Leaves closely appressed. Male cones c. 5 mm long. Female cones 15‑20 mm broad, globose; scales 6‑10 each with a ± curved pointed process. Seeds compressed, wing narrow.
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Elevation Range

1800-3300 m
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Description

Trees to 45 m tall; trunk to 3.5 m d.b.h.; branchlets loosely or densely arranged, terete, ultimate ones pendulous or irregularly spreading, slender, 1-1.4 mm in diam. Leaves closely arranged, scalelike, 1-1.8 mm, flat or slightly gibbous and with a rounded, sometimes inconspicuous central abaxial gland, apex usually slightly obtuse. Pollen cones 3-6 mm; microsporophylls 14-18. Seed cones dark grayish brown when ripe, not glaucous, broadly ovoid or subglobose, 1.2-2 × 1-1.8 cm; cone scales (8-) 10-12, each fertile scale with numerous seeds; bracts with a prominent umbo or mucro at apex. Seeds ovate-oblong, flattened, 3-5 mm. 2n = 22.
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Diagnostic Description

Synonym

Cupressus tongmaiensis Silba; C. tongmaiensis var. ludlowii C. tonkinensis Silba.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
In the Himalaya, Cupressus torulosa is a codominant with Juniperus in the dry inner valleys and semi-arid high mountain environments towards the Tibetan side of the main range, where this open forest or woodland type occupies S-facing slopes. The altitudinal range is 1560-3670 m a.s.l. Annual precipitation does not exceed 300 mm, most of which falls in summer and autumn. North of the Himalaya, in the Tibetan valleys that drain south through the Himalaya chain or north and east into the Zhangbo system, conditions are too dry, but eastwards along the Zhangbo River downstream from Gyangze C. torulosa is again found in isolated stands. In this area C. torulosa var. gigantea also occurs: it may be a xeromorphic form of C. torulosa.

Systems
  • Terrestrial
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Source: IUCN

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Mountains; 1800-2800 m.
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The `Himalayan cypress' is sparingly cultivated in the Murree hills. Wild from Chamba eastward to 2800 m. Wood is durable and used for building purposes.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Cupressus torulosa

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data: Cupressus tonkinensis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Cupressus tonkinensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Cupressus torulosa

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Zhang, D & Christian, T.

Reviewer/s
Thomas, P.

Contributor/s

Justification
Although there has been some localized logging, due to its very large extent of occurrence, which with var. gigantea includes parts of the Tsangpo Valley in Xizang [Tibet] as well as the Himalayas, the status of the entire species must be the same as that of var. torulosa - namely, Least Concern.
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Source: IUCN

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Population

Population
The overall population trend is unknown.

Population Trend
Unknown
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Threats

Major Threats
Past and recent logging have been threats in parts of its range. Poor regeneration has also been noted in many stands.
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Source: IUCN

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Management

Conservation Actions

Conservation Actions
This species is known from a few protected areas including temples.
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Wikipedia

Cupressus torulosa

Cupressus torulosa, known as the Himalayan cypress or Bhutan cypress, is a species of cypress in southern Asia. It is a large tree, up to 45 m (148 ft) high.[1]

Distribution[edit]

The Himalayan cypress is an evergreen conifer tree species is found on limestone terrain in the western Himalaya from 300–2,800 metres (980–9,190 ft).[2][1] Information on its distribution further east is conflicting. It may occur in Sichuan, China and in Vietnam.[2] However, according to "Conifers of Vietnam", only cultivated trees exist in Vietnam,[3] and the "Flora of China" reports it from Tibet, but not from Sichuan.[1]

See also[edit]

References[edit]

  1. ^ a b c Liguo Fu, Yong-fu Yu, Robert P. Adams & Aljos Farjon. "Carpinus putoensis". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 16 March 2013. 
  2. ^ a b Christopher J. Earle (2012). "Chamaecyparis". The Gymnosperm Database. Retrieved 16 March 2013. 
  3. ^ Luu, Nguyen Duc To; Philip Ian Thomas (2004). Conifers of Vietnam. ISBN 1-872291-64-3. 


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