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Timber yielding plants

From time immemorial food, clothing, and shelter have been the three great necessities of mankind. Wood is the most familiar and most important forest product. Wood has contributed a lot to the advancement of civilization. Today, wood is the most widely used commodity other than food and clothing. It is …

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External Secretory Structures

External surfaces of the plant bear several secretory structures of epidermal origin or epidermal derivatives or emergences from deeper tissues (Kisser, 1958). These include Glands, Glandular Trichomes, Nectaries, Osmophores, Hydathodes etc.  In this article,  these external structures of  plant will be discussed briefly. Trichomes and glands In some leaves and flowers, more or less …

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Secretory Tissue: A Laticiferous Discussion

The tissues that are concerned with the secretion of gums, resins, volatile oils, nectar, latex and other substances are called Secretory tissues. These tissues are mainly divided into two groups: Laticiferous tissue. Glandular tissue. In this article, Laticiferous tissue will be discussed explicitly. Laticiferous tissue A laticifer is a type of …

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Spices & Condiments

The term ‘Spice’ refers to any dried part of a plant, used for seasoning and flavoring a dish, but not used as the main ingredient. Parts of a plant including dried bark, roots, berries, seeds, twigs, or anything else that is not the green leafy part, is known as a …

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Deuteromycetes: The Fungi Imperfecti

Deuteromycetes- also known as Deuteromycota, Deuteromycotina, fungi imperfecti and mitosporic fungi- are fungi that are unable to produce sexual spores and are therefore placed in their own separate phylum. It is an artificial group of fungi, of which there exist approximately 15000 species. Deuteromycetes are often reffered to as “fungi …

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