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Related to Corylus: Corylus americana, Corylus cornuta



a genus of deciduous shrubs and, less frequently, trees of the family Corylaceae (or Betulaceae, in a broad sense). The flowers are diclinous and open earlier than the leaves. The staminate flowers are pendulous in catkins, and the pistillate flowers, in biflorate inflorescences. The fruit is a unilocular, monospermous, ligneous nut with a leafy involucre. There are approximately 20 species, distributed in the forest zones of Europe, Asia, and North America. Seven species are found in the USSR. Many species are valuable for their nuts.

The European hazel (Corylus avellana), a shrub or arbuscle measuring up to 8 m in height, has the most economic significance in the European USSR. One shrub yields at least 3 kg of nuts. The European hazel is propagated by seeds, shoots from the stump, root suckers, and cuttings. It lives as long as 80 years. It is the principal type of brush in deciduous forests and in broad-leaved coniferous and high-mountain coniferous forests. C. mandshurica, C. brevituba, and the Siberian filbert (C. heterophylla) are found in the Far East. Several species, including the European hazel, the Turkish hazelnut (C. colurna), C. colchica, and C. pontica are found in the Caucasus. The filbert (C. maxima) is cultivated in the Caucasus and the Crimea.


References in periodicals archive ?
Filberts grow from a similar hazel called Corylus maxima and the sweet nuts are covered by a longer, more attractive husk.
Kuchler physiognomic method (1988) was used for forest classification totally, five different types of Corylus- Quercus, Corylus- Fagus, Fagus--Corylus, Corylus- Acer and Mixed Corylus were separated.
ONE of the most delightful signs of spring is our native hazel, Corylus avellana.
Common name Scientific name Acronym n Vine maple Acer circinatum ACCI 252 California hazel Corylus cornuta COCO 47 Salal Gaultheria shallon GASH 257 Oceanspray Holodiscus discolor HODI 61 Sword fern Polystichum munitum POMU 187 Bracken fern Pteridium aquilinum PTAQ 132 Western hemlock Tsuga heterophylla TSHE 156 Oregon-grape * Berberis nervosa BENE 7 Pacific dogwood * Cornus nuttalli CONU 1 Indian plum * Oemleria cerasiformis OECE 1 Douglas-fir * Pseudotsuga menziesii PSME 8 Thimbleberry * Rubus parvifora RUPA 1 Salmonberry * Rubus spectabilis RUSP 20 Snowberry * Symphoricarpos albus SYAL 3 Red huckleberry * Vaccinium parvifolium VAPA 3 * Sample size insufficient to include in comparison of prey load among plant species.
Corylus avellana 'Contorta' is a hazel grown for its winter silhouette.
Less exciting in terms of flowers are Corylus, hazel, which develop their male catkins during the winter, hanging in clusters to give a bit of interest in the dark days of the year.
Kuchler physiognomic method (1988) was used for forest classification totally, five different types of Corylus-Quercus, Corylus-Fagus, Fagus-Corylus, Corylus-Acer and Mixed Corylus were separated.
hickories), with the common shrubs being Corylus americana (hazel), Rhus glabra (smooth sumac), and R.
If you want a permanent reminder of this Christmas, why not ask them to club together and buy you a new tree or an expensive shrub that you would not normally have brought, such as Hamamelis (Witch Hazel) or a Corylus avellana "Contorta" (Contorted Hazel).