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

By Paula J. Rudall

Within the 3rd variation of her winning textbook, Paula Rudall offers a finished but succinct creation to the anatomy of flowering crops. completely revised and up-to-date all through, the ebook covers all features of comparative plant constitution and improvement, prepared in a sequence of chapters at the stem, root, leaf, flower, seed and fruit. inner constructions are defined utilizing magnification aids from the easy hand-lens to the electron microscope. quite a few references to contemporary topical literature are integrated, and new illustrations mirror a variety 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 vegetation. This basically written textual content is perfect for college students learning quite a lot of classes in botany and plant technology, and can also be an exceptional source for pro and beginner horticulturists.

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For example, in Tilia cordata (Fig. 7 Betula utilis (Betulaceae). Wood in (A) tangential longitudinal section (TLS) and (B) radial longitudinal section (RLS). b ¼ bar of scalariform perforation plate, r ¼ ray. Scale ¼ 100 mm. element walls are helically thickened, and in many Fabaceae the pit apertures are surrounded by numerous warty protuberances, termed vesturing19. Perforated ray cells, an unusual feature of some woods, are ray cells that link two vessel elements and themselves resemble and function as vessel elements, with perforation plates corresponding to those of the adjacent vessel elements.

8 Ground Tissue Ground tissue, sometimes termed packing tissue, forms the bulk of primary plant tissue and occupies the areas that are not taken up by vascular tissue or cavities. It has a mechanical function, and may be concerned with storage or photosynthesis. Ground tissue typically consists of parenchyma, sclerenchyma or collenchyma, and is often interspersed with idioblasts and secretory cells or canals. Ground tissue is initially formed at the apical meristems but may be supplemented by intercalary growth, and in monocots by tissues differentiated from primary and secondary thickening meristems.

2 Lateral Meristems Lateral meristems are located parallel to the long axis of a shoot or root, most commonly in the pericyclic region, at the junction between vascular tissue and cortex. Examples of lateral meristems include primary and secondary thickening meristems (PTM and STM) and vascular cambium. 14). 5; Fig. 5). Adventitious roots are typically formed in the root pericycle; in these cases the pericycle could be termed a lateral meristem. 9; Fig. 15). A phellogen may also develop in the region of a wound, or at the point of leaf abscission.

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