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Corylus cornuta Marsh.
BEAKED HAZELNUT
Life   Plantae   Dicotyledoneae   Betulaceae   Corylus

Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta

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Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta
Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta

Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta
Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta

Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta
Corylus cornuta
© Copyright Bobby Hattaway 2011 · 5
Corylus cornuta

Corylus cornuta
© Les Mehrhoff, 2008-2010 · 3
Corylus cornuta
Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta

Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta
Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta

Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta
Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta

Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta
Corylus cornuta
© Copyright Michael Strickland, 2008 · 1
Corylus cornuta

Associates · map
FamilyScientific name @ source (records)
Achilidae  Synecdoche impunctata @ UDCC_TCN (2)
Aphididae  Macrosiphum ( @ NCSU (11)

Myzocallis ( @ AMNH_PBI (28); CSUC_TCN (1); NCSU (4)
Cicadellidae  Eratoneura campora @ III (1)

Eratoneura dira @ III (2)

Eratoneura misera @ III (6)
Dermateaceae  Gloeosporium coryli @ BPI (1)

Monostichella coryli @ BPI (2)
Diaporthaceae  Diaporthe decedens @ BPI (1)
Erysiphaceae  Phyllactinia corylea @ BPI (2)

Phyllactinia guttata @ BPI (1)
Gnomoniaceae  Anisogramma anomala @ BPI (1)

Cryptosporella alnicola @ BPI (1)

Gnomonia @ BPI (1)

Gnomoniella coryli @ BPI (4)

Mamianiella coryli @ BPI (2)
Melanconidaceae  Hercospora coryli @ BPI (1)

Melanconis flavovirens @ BPI (1)
Miridae  Blepharidopterus angulatus @ AMNH_PBI (1)

Blepharidopterus provancheri @ AMNH_PBI (4); AMNH_IZC (11)

Compsidolon salicellum @ AMNH_PBI (15)

Deraeocoris brevis @ AMNH_ENT (3)

Deraeocoris fasciolus @ AMNH_ENT (25)

Heterotoma planicornis @ AMNH_PBI (1); AMNH_IZC (4)

Lygus shulli @ AMNH_IZC (2)

Macrolophus usingeri @ AMNH_PBI (1)

Malacocoris chlorizans @ AMNH_PBI (27)

Paraproba cincta @ AMNH_PBI (7)

Phylus coryli @ AMNH_PBI (1)

Pilophorus perplexus @ AMNH_PBI (2)

Plagiognathus lattini @ AMNH_PBI (1)
Mycosphaerellaceae  Septoria corylina @ BPI (1)
Valsaceae  Sillia ferruginea @ BPI (2)

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Following modified from Virginia Tech Dendrology
   
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FNA | Family List | FNA Vol. 3 | Betulaceae | Corylus

3. Corylus cornuta Marshall, Arbust. Amer. 37. 1785.

Beaked hazel or hazelnut

Shrubs or trees , open-spreading, 4--8(--15) m. Bark light to dark brown, smooth. Branches ascending; twigs glabrous to sparsely pubescent, sometimes with glandular hairs. Winter buds containing inflorescences ovoid, 3--5 × 3--4 mm, acute. Leaves: petiole glabrous to moderately pubescent, with or without glandular hairs. Leaf blade nearly orbiculate to narrowly ovate or ovate-oblong, often nearly angular and slightly lobulate near apex, 4--10 × 3.5--12 cm, thin to leathery, base narrowly cordate to narrowly rounded, margins coarsely and often irregularly doubly serrate, apex obtuse to acute or acuminate; surfaces abaxially glabrous to moderately pubescent, usually pubescent on major veins and in vein axils. Inflorescences: staminate catkins lateral along branchlets on short shoots, usually in clusters of 2--3, 4--6 × 0.5--0.8 cm; peduncles 0.5--10 mm. Nuts in clusters of 2--6, completely concealed; bracts bristly, connate at summit, lengthened into extended tubular beak.

Subspecies 2 (2 in the flora).

Corylus cornuta was used medicinally by Native Americans as an emetic, for teething, to expel worms, to heal cuts, and as an astringent (D. E. Moerman 1986).

Updated: 2024-06-21 23:46:17 gmt
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