Gemeine Hasel vs Baum-Hasel

Corylus avellana compared with Corylus colurna

Key Differences

• Gemeine Hasel is Least Concern while Baum-Hasel is Not Evaluated.

Taxonomic Classification

Rank	Gemeine Hasel	Baum-Hasel
Kingdom same	Plantae (Pflanzen)	Plantae (Pflanzen)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Fagales (Buchenartige)	Fagales (Buchenartige)
Family same	Betulaceae	Betulaceae
Genus same	Corylus	Corylus
Species	Corylus avellana	Corylus colurna

Evolutionary Relationship

Gemeine Hasel and Baum-Hasel share a common ancestor at the Genus level: Corylus.

Conservation Status

Gemeine Hasel

LC — Least Concern

Baum-Hasel

NE — Not Evaluated

Physical Characteristics

Attribute	Gemeine Hasel	Baum-Hasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gemeine Hasel

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus, Iraq), Europe (7 countries), North America (Canada, United States), and South America (Brazil).

Baum-Hasel

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (12 countries).

Gemeine Hasel

<em>Corylus avellana</em> is a deciduous shrub or small tree in the family Betulaceae, order Fagales, commonly known as the common hazel or common filbert. The species is classified as Least Concern on the IUCN Red List, with widespread and stable populations across its native and introduced range. <em>Corylus avellana</em> is native to Europe and western Asia and has been introduced to parts of North America and South America. It is particularly associated with temperate deciduous woodlands, hedgerows, and scrubland across the Mediterranean forests and the Palearctic realm. The species typically forms a multi-stemmed shrub with broad, rounded leaves and catkins that emerge in late winter before the leaves appear, representing one of the earliest flowering events of the temperate year. Hazel nuts produced by this species are an important food source for woodland wildlife including squirrels, dormice, and woodpeckers. The species has been cultivated for centuries for nut production and coppicing. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden