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The beaked hazelnut is named for its fruit, which is a nut enclosed in a husk with a tubular extension 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) long that resembles a beak. Tiny filaments protrude from the husk and may stick into, and irritate, skin that contacts them.
Cracked hazelnut shell displaying the edible seed Hazelnut tree, Turkey. A hazelnut cob is roughly spherical to oval, about 15–25 millimetres (5 ⁄ 8 –1 inch) long and 10–15 mm (3 ⁄ 8 – 5 ⁄ 8 in) in diameter, with an outer fibrous husk surrounding a smooth shell, while a filbert is more elongated, being about twice as long as its diameter.
The fruits are nuts 1–2.5 cm (1 ⁄ 2 –1 in) long and 1–2 cm diameter, surrounded by an involucre (husk) which partly to fully encloses the nut. [4] The shape and structure of the involucre, and also the growth habit (whether a tree or a suckering shrub), are important in the identification of the different species of hazel. [4]
Most often, these seed plants are sweet and enjoyed as dessert (think berries and melons), but some surprising plant varieties with a savory flavor are also considered fruits due to their seeded ...
The name "hazelnut" applies to the nuts of any of the several species of the genus Corylus. This hazelnut or cobnut, the kernel of the seed, is edible and used raw or roasted, or ground into a paste. The seed has a thin, dark brown skin which has a bitter flavour and is sometimes removed before cooking.
The American hazelnut grows to a height of roughly 2.5 to 5 m (8 to 16 ft), [6] with a crown spread of 3 to 4.5 m (10 to 15 ft). It is a medium to large shrub, which under some conditions can take the like of a small tree. It is often multi-stemmed with long outward growing branches that form a dense spreading or spherical shape.
To put it in perspective, a 1-cup serving of fruit looks like one medium apple, pear, nectarine or orange (about the size of your fist), two to three kiwis, eight large strawberries, a medium ...
American hazel; American hazelnut Betulaceae (birch family) Corylus avellana: common hazel Betulaceae (birch family) Corylus colurna: Turkish hazel Betulaceae (birch family) Corylus cornuta: beaked hazel; beaked hazelnut Betulaceae (birch family) Corylus maxima: filbert Betulaceae (birch family) Ostrya: hop-hornbeams; Ostrya carpinifolia ...