Corylus avellana L.
Corylus avellana
A species of flowering plant native to Europe and Western Asia. It is typically a shrub reaching 3–8 meters tall but can grow up to 15 meters. The leaves are deciduous, rounded, 6–12 cm long and across, with a double-serrate margin. The flowers are produced very early in spring, before the leaves, and are monoecious with single-sex wind-pollinated catkins. Male catkins are pale yellow and 5–12 cm long, while female flowers are very small and largely concealed in the buds with only the bright red styles visible. The fruit is a nut, produced in clusters of one to five together, each nut held in a short leafy involucre. The nuts are roughly spherical to oval and yellow-brown with a pale scar at the base.
Details
Fagales
Betulaceae
Corylus
The kernels of Corylus avellana are rich in protein and unsaturated fat. They also contain significant amounts of manganese, copper, vitamin E, thiamine, and magnesium. The prevalent phenolics in the kernels include catechin, gallic acid, sinapic acid, caffeic acid, p-coumaric acid, ferulic acid, their esters and flavonoids. Various other bioactive phenols have also been characterized in hazelnut leaves and foliar buds.
The nuts are edible and used raw, roasted, or ground into a paste. Historically, the shrub was an important component of hedgerows in lowland England. The wood was grown as coppice, with the poles used for wattle-and-daub building and agricultural fencing. The leaves provide food for various animals, including Lepidoptera such as the case-bearer moth Coleophora anatipennella. The fruit are important animal food, both for invertebrates and vertebrates such as squirrels and corvids. The roots are commonly used as the host for ectomycorrhizal fungi such as Laccaria laccata, Russula ochroleuca, and Paxillus involutus.
Early spring
3-8 meters, can reach up to 15 meters
Pale yellow (male catkins), bright red (female styles)
Woodlands, hedgerows, and agricultural fences in Europe
Info
Pannon Flora Ltd. was founded on December 13, 1999, by Gábor Janik, who retains 95% ownership. Janik holds an MSc in Horticulture from the University of Horticultural Sciences (1986) and an Advanced Professional English Certification from the College of International Trade (1990). The company specializes in bird feed production and export, primarily serving markets in Italy, Germany, the Netherlands, and the UK, alongside cultivating and distributing imported/exported horticultural seeds. It maintains exclusive partnerships with JOEUN Seed (South Korea) and Takii Europe (Japan), a leader in professional seed breeding and production. Pannon Flora collaborates with certification bodies such as NÉBIH (National Food Chain Safety Office), MERT Kontroll, and SGS Hungary to ensure compliance and quality. The company works with approximately 400 Hungarian growers, ranging from small-scale producers (under 5 hectares) to mid-sized farms and large-scale agricultural enterprises. This profile emphasizes agribusiness expertise, technical partnerships, and operational scalability tailored to international client needs.
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