. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 128 HAZELNUT Corylus americana, Walter GENUS DESCRIPTIONâThe Hazelnuts comprise about 7 known Bpecles, of which number about 3 are native to North America and 2 to Pennsylvania. The members of this genus are usually shrubs, rarely trees, found in the northern hemisphere. They do not produce wood of any commercial Importance, but their fruit, which Is a nut, Is very common In our markets. The nuts ate sold under the name of Hazelnuts or niberts. FOEM^A shrub or small tree reaching a height of 3-8 feet. Occurs in clu
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. 128 HAZELNUT Corylus americana, Walter GENUS DESCRIPTIONâThe Hazelnuts comprise about 7 known Bpecles, of which number about 3 are native to North America and 2 to Pennsylvania. The members of this genus are usually shrubs, rarely trees, found in the northern hemisphere. They do not produce wood of any commercial Importance, but their fruit, which Is a nut, Is very common In our markets. The nuts ate sold under the name of Hazelnuts or niberts. FOEM^A shrub or small tree reaching a height of 3-8 feet. Occurs in clumps and often forms thickets. BAKKâRather smooth, thin, dark brown, sometimes roughened with shallow longitudinal Assures. TWIGS-Smooth but marked with a few scattered lentloels, and covered with numerous pinkish hairs which usually stand at right angles to the twigs; gray to russet-brown in color. BUDSâAlternate, ovate to globular, reddish-brown, somewhat hairy, covered with about 8-6 scales with hairy and slightly glandular margins. LEAVESâAlternate, simple, ovate, obtuse or heart-shaped at base, acute at apex, serrate on margin, smooth on upper surface and slightly hairy on lower siu^ace. LEAF-SOARS-Altemate, semicircular to globular, raised, with scattered bundle-scars usually 5-10 in number. FLOWERS-Appear in April or May before the leaves. Stamlnate occur in catkins Which usually appear before the leaves at the end of the twigs of the previous season's growth and are 8-4 inches long. Pistillate are small, develop from short scaly buds, with long, slender, pro- jecting, crimson stigmas. FRUIT-A pale brown ovoid nut about i of an inch long. sUghtly ^"^n^*- »^"â¢*^';** roughened at base where the Involucre It attached. Involucre consists of two lea^ ^"^"!!« ^^^T* are distinct in the Common Hazelnut and united into a tubular beak In the Beaked Hazelnut. Ripens in July and August. Kernel sweet and edible. DISTINGUISHING CHARACTERISTICSâThe Haze
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