fungal disease
Corylus Avellana
The scientific name for contorted filbert is Corylus avellana 'Contorta'.
The tree, Hazel (Corylus avellana), does produce hazelnuts.
Corylus avellana the hazelnut tree.
A hazelnut is a tree nut. Its scientific name is Corylus avellana, and is normally used in foods such as nut spreads, breakfast cereals, and desserts such cookies or cakes.
Qiang Yao has written: 'Estimation of genetic-parameters in the Oregon State University Hazelnut (Corylus avellana L.) breeding population' -- subject(s): Hazel, Breeding, Genetics
Go to this site to see an image of ripened hazelnuts.... http://www.arkive.org/hazel/corylus-avellana/image-A8085.html
Timothy Ross Gottwald has written: 'The life history of Anisogramma anomala (Pk.) E. Mu ller (Diaporthaceae) and its pathological and epidemiological association with Corylus avellana L'
The hazelnut (or filbert in USA, (Corylus avellana). Originates from Europe and grows to about 5 meters. Provided it has a suitable pollinator it bears smoothed shelled edible nuts
Corylus johnsonii was created in 2003.
Not at all! The seed of the almond (prunis dulcis) is really not a nut but the seed of the fruit which is a "drupe", The tree is a close relative of the apricot (there are trees that give both fruit meats and almonds). The hazelnut is a true nut, the seed of the corylus avellana.
The population of San Pietro Avellana is 630.