Corylus heterophylla
{{Short description|Species of tree}}
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{{Speciesbox
|name = Asian hazel
|image=Corylus heterophylla.JPG
|status = LC
|status_system = IUCN3.1
|genus = Corylus
|species = heterophylla
|authority = Fisch. ex Trautv.
}}
Corylus heterophylla, the Asian hazel, is a species of hazel native to eastern Asia in northern and central China, Korea, Japan, and southeastern Siberia.Flora of China: [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200006214 Corylus heterophylla]
Description
It is a deciduous shrub or small tree growing to {{convert|7|m|ft|abbr=on}} tall, with stems up to {{convert|20|cm|0|abbr=on}} thick grey bark. The leaves are rounded, {{convert|4|–|13|cm|frac=4|abbr=on}} long and {{convert|2.5|–|10|cm|0|abbr=on}} broad, with a coarsely double-serrated to somewhat lobed margin and an often truncated apex. The flowers are wind-pollinated catkins; the male (pollen) catkins are pale yellow, {{convert|4|cm|frac=4|abbr=on}} long, while the female catkins are bright red and only {{convert|1|–|3|mm|frac=16|abbr=on}} long. The fruit is a nut produced in clusters of 2–6 together; each nut is {{convert|0.7|–|1.5|cm|frac=4|abbr=on}} diameter, partly enclosed in a {{convert|1.5|–|2.5|cm|frac=4|abbr=on}} long, bract-like involucre (husk).Bean, W. J. (1976). Trees and Shrubs Hardy in the British Isles 8th ed., vol. 1. John Murray {{ISBN|0-7195-1790-7}}.
It is very similar to the closely related common hazel (C. avellana) of Europe and western Asia, differing in the leaves being somewhat more lobed.
Uses
References
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{{Nuts}}
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Category:Edible nuts and seeds