Difference between revisions of "Hazel"
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Numerous varieties are cultivated in Europe for their edible nuts. They are also valuable for planting shrubberies, and thrive in almost any soil. The foliage of some species turns bright yellow or red in autumn. Propagated by seeds sown in fall, or stratified and sown in spring; the varieties usually by suckers, or by layers, put down in fall or spring; they will be rooted the following fall. Budding in summer is sometimes practiced for growing standard trees, and grafting in spring in the greenhouse for scarce varieties. They may also be increased by cuttings of mature wood taken off in fall, kept during the winter in sand or moss m a cellar and planted in spring in a warm and sandy soil. Illustrated monograph of the cultivated varieties by Franz Goeschke, Die Haselnuss (1887). See, also, bulletin on Nut- culture by the U. S. Dept. of Agric. For the culture of the nuts, see articles Filberts and Hazels. | Numerous varieties are cultivated in Europe for their edible nuts. They are also valuable for planting shrubberies, and thrive in almost any soil. The foliage of some species turns bright yellow or red in autumn. Propagated by seeds sown in fall, or stratified and sown in spring; the varieties usually by suckers, or by layers, put down in fall or spring; they will be rooted the following fall. Budding in summer is sometimes practiced for growing standard trees, and grafting in spring in the greenhouse for scarce varieties. They may also be increased by cuttings of mature wood taken off in fall, kept during the winter in sand or moss m a cellar and planted in spring in a warm and sandy soil. Illustrated monograph of the cultivated varieties by Franz Goeschke, Die Haselnuss (1887). See, also, bulletin on Nut- culture by the U. S. Dept. of Agric. For the culture of the nuts, see articles Filberts and Hazels. | ||
| + | C. colchica, Alboff. Low shrub, to 3 ft.: lvs. ovate or obovate, densely doubly serrate, sparingly pilose: involucre connate, with a short lacerated beak, pubescent. Caucasus. Winkl. 53. Not in cult.—C. colurnoides, Schneid. (C. intermedia, Lodd., not Fingerh., C. Colurna X C. Avellana). Similar to C. Colurna: small tree or large shrub, bark darker: involucre shorter, scarcely glandular. Garden origin.—C. Fargesii, Schneid. (C. mandahurica var. Fargesii, Burkill). Tree to 45 ft.: lvs. narrow-obovate to oblong: involucre soft-pubescent, sometimes only slightly so. W. China.— C. Jacquemontii, Decne. (C. Colurna var. lacera, DC.). Allied to C. chinensis. Tree: lvs. ovate, lobed toward the apex, less pubescent, 5-8 in. long: involucre pubescent, not constricted, lobes not or rarely forked, often dentate. Himalayas. Alfred Rehder. | ||
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Revision as of 16:03, 5 August 2009
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| Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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| Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Read about Hazel in the Standard Cyclopedia of Horticulture
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Corylus (ancient Greek name). Betulaceae. Hazel. Filbert. Cobnut. Woody plants grown for their handsome rather large foliage and some species for their edible nuts. Deciduous shrubs, rarely trees: lvs. alternate, stipulate, petioled, serrate and usually more or less pubescent: fls. monoecious, appearing before the lvs.; staminate in long, pendulous catkins, formed the previous year, and remaining naked during the winter (Fig. 1073), each bract bearing 4 divided stamens; pistillate included in a small, scaly bud with only the red styles protruding (Fig. 1074): fr. a nut, included or surrounded by a leafy involucre, usually in clusters at the end of short branches.—Fifteen species in N. Amer., Eu. and Asia, all mentioned below. Monograph by Winkler in Engler, Pflanzenreich, hft. 19, pp. 44-56 (1904), quoted below as Winkl. Numerous varieties are cultivated in Europe for their edible nuts. They are also valuable for planting shrubberies, and thrive in almost any soil. The foliage of some species turns bright yellow or red in autumn. Propagated by seeds sown in fall, or stratified and sown in spring; the varieties usually by suckers, or by layers, put down in fall or spring; they will be rooted the following fall. Budding in summer is sometimes practiced for growing standard trees, and grafting in spring in the greenhouse for scarce varieties. They may also be increased by cuttings of mature wood taken off in fall, kept during the winter in sand or moss m a cellar and planted in spring in a warm and sandy soil. Illustrated monograph of the cultivated varieties by Franz Goeschke, Die Haselnuss (1887). See, also, bulletin on Nut- culture by the U. S. Dept. of Agric. For the culture of the nuts, see articles Filberts and Hazels. C. colchica, Alboff. Low shrub, to 3 ft.: lvs. ovate or obovate, densely doubly serrate, sparingly pilose: involucre connate, with a short lacerated beak, pubescent. Caucasus. Winkl. 53. Not in cult.—C. colurnoides, Schneid. (C. intermedia, Lodd., not Fingerh., C. Colurna X C. Avellana). Similar to C. Colurna: small tree or large shrub, bark darker: involucre shorter, scarcely glandular. Garden origin.—C. Fargesii, Schneid. (C. mandahurica var. Fargesii, Burkill). Tree to 45 ft.: lvs. narrow-obovate to oblong: involucre soft-pubescent, sometimes only slightly so. W. China.— C. Jacquemontii, Decne. (C. Colurna var. lacera, DC.). Allied to C. chinensis. Tree: lvs. ovate, lobed toward the apex, less pubescent, 5-8 in. long: involucre pubescent, not constricted, lobes not or rarely forked, often dentate. Himalayas. Alfred Rehder. CH
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Cultivation
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Propagation
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Pests and diseases
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Species
Gallery
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Hazel. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Hazel QR Code (Size 50, 100, 200, 500)
