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Iranian filbert nut is 4 CM long and enclosed
in a papery covering referred to as an involucre.
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Iranian filberts, also called hazelnuts, are
rounded and slightly pointed at one end. They are small, usually about a 3 CM
long and resemble an acorn with its top removed. Filberts have a thin but strong
shell that is shiny and golden brown with light vertical stripes.
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The filbert nut has a thin, medium to dark brown
papery covering which peels away to reveal the white flesh beneath.
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North of Iran.
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Summer.
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Filberts grow on deciduous, multi-stemmed shrubs that are slightly
wider than tall. The shrubs reach a height of 0.8 to 1.5 meter.
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Filbert leaves are arranged alternately along the stem.
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The leaves of filbert shrubs are dark green, simple, and 7.5 to 15 CM
in length.
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