Facts about Chinese Hazel (Corylus chinensis)

Corylus chinensis Franch.:
China (Asia)

Flora of China Editorial Committee. 1999. Fl. China 4: 1–453. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis. http://www.tropicos.org/Reference/1018510

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Morphology

Comments

This species is vulnerable because of its rarity.

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Description

Trees to 40 m tall; bark gray-brown, fissured. Branchlets purplish brown, slender, sparsely villous, stipitate glandular, glabrescent. Petiole 1-2.5 cm, densely villous, stipitate glandular; leaf blade ovate, ovate-elliptic, or obovate-elliptic, 8-18 × 6-12 cm, base obliquely cordate, margin irregularly and doubly serrate, apex mucronate or shortly caudate, abaxially bearded in axils of lateral veins, villous along veins, adaxially glabrous; lateral veins 7-11 on each side of midvein. Male inflorescences 4-6 in a cluster, cylindric, 1.5-2 cm; bracts rhombic-ovate, pubescent. Female inflorescences 2-6 in a cluster; bracts forming a tubular sheath, 2-6 cm, striate, pilose, stipitate glandular, much constricted above nut and deeply divided into linear lobes, usually forked at apex. Nut enclosed by bracts, ovoid-globose, 1-1.5 cm in diam., glabrous.

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Diagnostic Description

Synonym

Corylus chinensis var. macrocarpa Hu; C. colurna Linnaeus var. chinensis (Franchet) Burkill; C. papyracea Hickel.

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Habitat

Habitat and Ecology

Habitat and Ecology

A relatively widely occurring component of middle elevation broadleaved forest.

Systems

Terrestrial

Source: IUCN

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Habitat & Distribution

* Forests on moist mountain slopes; 1200-3500 m. Gansu, Guizhou, Hubei, Shaanxi, SW Sichuan, Xizang, NW Yunnan

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Molecular Biology

Statistics of barcoding coverage: Corylus chinensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 7
Species: 7
Species With Barcodes: 1

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Source: Barcode of Life Data Systems (BOLD)

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Conservation Status

IUCN Red List Assessment

Red List Category

EN

Endangered

Red List Criteria

A1cd

Version

2.3

Year Assessed

1998

Needs updating

Assessor/s

Sun, W.

Reviewer/s

Source: IUCN

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Trends

Population

Population

Declines in the number of mature individuals have been reported.

Source: IUCN

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Threats

Major Threats

Declines are caused largely by overexploitation. Habitat loss and poor regeneration, apparently caused by the decimation of seed crops by birds, are also thought to have contributed to the present status of the species.

Source: IUCN

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Corylus chinensis

Corylus chinensis, common names Chinese filbert^[2] and Chinese Hazel, is a deciduous^[3] tree native to western China. This tree is considered vulnerable due of its rarity.^[4]

Description

Image showing relative size

This species grows up to 40 metres tall. It has gray-brown, fissured bark, with mottled streaks.^[5] The branchlets are a purplish-brown colour, and are slender and sparsely villous.^[4]

The leaves range from ovate to obovate-elliptic and have a doubly serrated, irregular margin.^[4]

Distribution

Corylus chinensis is found on the moist slopes of forests at altitudes ranging from 1200 and 3500 metres.^[4]

Uses

Both the oil and seeds of Corylus chinensis are edible.^[3]

Distribution

Foliage

This tree is native to Henan, Hubei, Hunan, Shaanxi, Sichuan, and Yunnan.^[6]

References

^ Corylus chinensis (Chinese Filbert)
^ Corylus chinensis information from NPGS/GRIN
^ ^a ^b Corylus chinensis Chinese Hazel PFAF Plant Database
^ ^a ^b ^c ^d Corylus chinensis in Flora of China @ efloras.org
^ Edible Nut Trees - Rhora's Nut Farm & Nursery
^ Corylus chinensis

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Source: Wikipedia

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