Download Anatomy of Flowering Plants: An Introduction to Structure by Paula J. Rudall PDF

By Paula J. Rudall

Within the 3rd version of her profitable textbook, Paula Rudall offers a complete but succinct advent to the anatomy of flowering crops. completely revised and up-to-date all through, the e-book covers all elements of comparative plant constitution and improvement, prepared in a chain of chapters at the stem, root, leaf, flower, seed and fruit. inner constructions are defined utilizing magnification aids from the straightforward hand-lens to the electron microscope. quite a few references to contemporary topical literature are incorporated, and new illustrations mirror quite a lot of flowering plant species. The phylogenetic context of plant names has additionally been up to date because of more desirable figuring out of the relationships between flowering crops. This sincerely written textual content is perfect for college kids learning a variety of classes in botany and plant technology, and can be a superb source for pro and beginner horticulturists.

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Extra info for Anatomy of Flowering Plants: An Introduction to Structure and Development

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10 Meristems Meristematic tissue consists of thin-walled, tightly packed living cells which undergo frequent divisions. Meristematic cells undergo cell division and wall formation followed by differential cell expansion. After nuclear division there is progressive deposition of membranes in the cytoplasm into a cell plate that is located in the equatorial zone between the two daughter nuclei108. The cell plate extends to join the cell walls, thus depositing a new wall. Most of the plant body is differentiated at the meristems in well-defined zones, though cells in other regions may also occasionally divide.

After nuclear division there is progressive deposition of membranes in the cytoplasm into a cell plate that is located in the equatorial zone between the two daughter nuclei108. The cell plate extends to join the cell walls, thus depositing a new wall. Most of the plant body is differentiated at the meristems in well-defined zones, though cells in other regions may also occasionally divide. There are some remarkable examples of fullydifferentiated cells giving rise to entire plantlets, notably on leaves of Crassulaceae, such as Kalanchoe102.

They are tightly-packed cells that lack contents at maturity. They possess deposits of suberin and sometimes lignin in their walls, and form an impervious layer to prevent water loss and protect against injury. Phelloderm cells are non-suberinized and parenchymatous, and contribute to the secondary cortex. 15 Sambucus nigra (Caprifoliaceae). Transverse section of stem surface, showing periderm forming in outer cortical layers. c ¼ cortex, e ¼ epidermis, le ¼ lenticel, p ¼ periderm, ph ¼ secondary phloem, pi ¼ pith, vc ¼ vascular cambium, xy ¼ secondary xylem.

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