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cambium
Book article from: The Columbia Encyclopedia, Sixth Edition
cambium , thin layer of generative tissue lying...stem, most active in woody plants. The cambium produces new layers of phloem on the outside...of the stem . In herbaceous plants the cambium is almost inactive; in monocotyledonous...
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Wood
Encyclopedia entry from: The Gale Encyclopedia of Science
...made by a meristematic tissue called the vascular cambium. As the vascular cambium generates new cells, secondary xylem accumulates...occur in a few cell layers behind the vascular cambium, in a water-conducting section of the secondary...
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Tree
Encyclopedia entry from: The Gale Encyclopedia of Science
...The two tissues are referred to as the vascular cambium and the cork cambium. In contrast, herbs do not have secondary growth...evaporation of water through the bark. The cork cambium lies just inside the cork. It produces cork cells...
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meristem
Book article from: The Columbia Encyclopedia, Sixth Edition
...tissues. In one type of lateral meristem, called cambium, or vascular cambium, the cells divide and differentiate to form the...tree trunks is wholly dependent on the division of cambium cells. Other meristematic tissues include cork...
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Bark
Encyclopedia entry from: The Gale Encyclopedia of Science
...a generative layer called the vascular cambium, located between the bark and wood (inner cells of this cambium produce xylem cells). The outer cells...through cellular division in the cork cambium, present outside of the phloem. The...
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stem
Book article from: The Columbia Encyclopedia, Sixth Edition
...more pith in herbaceous stems, and the cambium , which increases the diameter of woody...arranged concentrically on either side of the cambium—the xylem ( wood ) inside...monocotyledonous plants, which generally lack cambium, the bundles are scattered throughout...
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plant
Book article from: The Columbia Encyclopedia, Sixth Edition
...and stem tips, in the buds, and in the cambium are areas of active growth. Plants also...vascular bundles in the stem , little or no cambium , and parallel veins in the leaf &mdash...vascular bundles in a regular pattern, a cambium, and net-veined leaves. There are...
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Seed Ferns
Encyclopedia entry from: The Gale Encyclopedia of Science
...specialized outer cell layer in the stem known as the cambium. The cambium of seed ferns produced secondary xylem and phloem...for water and food transport — much as the cambium of vascular seed plants do today. Many botanists...
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Graft
Encyclopedia entry from: The Gale Encyclopedia of Science
...necessary for successful grafting. Healing involves the cooperative production of new cells, some of which form cambium. From the cambium, new vascular (transport) tissues develop, permitting the transfer of water, nutrients, and hormones...
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Magnoliophyta
Book article from: The Columbia Encyclopedia, Sixth Edition
...this class usually have two seed leaves, or cotyledons, and cambium tissue in the stems (see meristem ). Much the larger of the...have only one seed leaf, or cotyledon, and generally lack cambium tissue. The most common families are the grass , palm , arum...
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