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{{Otheruses}}
{{Taxobox
| color = lightgreen
| name = Filbert
| image = Hasel_fg01.jpg
| image_width = 240px
| image_caption = Filbert fruit, showing the elongated tubular involucre
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Fagales]]
| familia = [[Betulaceae]]
| genus = ''[[Hazel|Corylus]]''
| species = '''''C. maxima'''''
| binomial = ''Corylus maxima''
| binomial_authority = [[Philip Miller|Mill.]]
}}
The '''Filbert''' (''Corylus maxima'') is a species of [[hazel]] native to southeastern [[Europe]] and southwestern [[Asia]]. It is a [[deciduous]] [[shrub]] 6–10 m tall, with [[Plant stem|stems]] up to 20 cm thick. The [[Leaf|leaves]] are rounded, 5–12 cm long by 4–10 cm broad, with a coarsely double-serrated margin. The [[flower]]s are [[Anemophily|wind-pollinated]] [[catkin]]s produced in late [[winter]]; the [[male]] ([[pollen]]) catkins are pale yellow, 5–10 cm long, while the [[female]] catkins are bright red and only 2–3 mm long. The [[fruit]] is a [[nut (fruit)|nut]] produced in clusters of 1–5 together; each nut is 1.5–2.5 cm long, fully enclosed in a 3–5 cm long, tubular [[involucre]] ([[husk]]).
The Filbert is similar to the related [[Common Hazel]] (''C. avellana''), differing in having the nut more fully enclosed by the tubular involucre. This feature is shared by the [[Beaked Hazel]] (''C. cornuta'') of [[North America]], and the [[Asian Beaked Hazel]] (''C. sieboldiana'') of eastern [[Asia]].
==Uses==
The Filbert nut is edible, and is very similar to the Common Hazel nut. Filberts are sometimes grown in [[orchard]]s for the nuts, but much less often than the Common Hazel.
The purple-leaved [[cultivar]] ''Corylus maxima'' 'Purpurea' is a popular [[Ornamental plant|ornamental shrub]] in [[garden]]s,
==Language==
The word 'filbert' is used regionally in [[Oregon]] to refer to [[hazel]]nuts in general. Use in this manner has faded partly due to the efforts of Oregon's hazelnut growers to brand their product to better appeal to global markets and avoid confusion.
[[Category:Fagales]]
[[Category:Edible nuts and seeds]]
{{Taxobox
| color = lightgreen
| name = Filbert
| image = Hasel_fg01.jpg
| image_width = 240px
| image_caption = Filbert fruit, showing the elongated tubular involucre
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Fagales]]
| familia = [[Betulaceae]]
| genus = ''[[Hazel|Corylus]]''
| species = '''''C. maxima'''''
| binomial = ''Corylus maxima''
| binomial_authority = [[Philip Miller|Mill.]]
}}
The '''Filbert''' (''Corylus maxima'') is a species of [[hazel]] native to southeastern [[Europe]] and southwestern [[Asia]]. It is a [[deciduous]] [[shrub]] 6–10 m tall, with [[Plant stem|stems]] up to 20 cm thick. The [[Leaf|leaves]] are rounded, 5–12 cm long by 4–10 cm broad, with a coarsely double-serrated margin. The [[flower]]s are [[Anemophily|wind-pollinated]] [[catkin]]s produced in late [[winter]]; the [[male]] ([[pollen]]) catkins are pale yellow, 5–10 cm long, while the [[female]] catkins are bright red and only 2–3 mm long. The [[fruit]] is a [[nut (fruit)|nut]] produced in clusters of 1–5 together; each nut is 1.5–2.5 cm long, fully enclosed in a 3–5 cm long, tubular [[involucre]] ([[husk]]).
The Filbert is similar to the related [[Common Hazel]] (''C. avellana''), differing in having the nut more fully enclosed by the tubular involucre. This feature is shared by the [[Beaked Hazel]] (''C. cornuta'') of [[North America]], and the [[Asian Beaked Hazel]] (''C. sieboldiana'') of eastern [[Asia]].
==Uses==
The Filbert nut is edible, and is very similar to the Common Hazel nut. Filberts are sometimes grown in [[orchard]]s for the nuts, but much less often than the Common Hazel.
The purple-leaved [[cultivar]] ''Corylus maxima'' 'Purpurea' is a popular [[Ornamental plant|ornamental shrub]] in [[garden]]s,
==Language==
The word 'filbert' is used regionally in [[Oregon]] to refer to [[hazel]]nuts in general. Use in this manner has faded partly due to the efforts of Oregon's hazelnut growers to brand their product to better appeal to global markets and avoid confusion.
[[Category:Fagales]]
[[Category:Edible nuts and seeds]]