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Secondary Growth - Botany - Lecture Slides

Slides, Botany

Post: January 9th, 2013
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These are the important key slides of Botany are:Secondary Growth, Woody Plants, Secondary Growth and Lateral Meristems, Vascular Cambium, Woody Plants, Dicot Stems, Springwood, Softwoods Vs Hardwoods, Taxonomic Identity, Xylem Rays
These are the important key slides of Botany are:Secondary Growth, Woody Plants, Secondary Growth and Lateral Meristems, Vascular Cambium, Woody Plants, Dicot Stems, Springwood, Softwoods Vs Hardwoods, Taxonomic Identity, Xylem Rays
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Contents
Secondary growth Docsity.com • 20% of all dicot species (oaks, maples) • 5% of all monocot species • All gymnosperms (pines, firs, redwoods) Woody plants Docsity.com Secondary growth & lateral meristems Docsity.com Docsity.com Vascular cambium produces secondary vascular tissue in woody stems and roots Docsity.com Woody roots Docsity.com Woody plants & secondary growth vascular cambium Docsity.com Docsity.com Secondary growth of dicot stems Docsity.com Docsity.com springwood summerwood Docsity.com Docsity.com Softwoods vs. hardwoods • Softwoods – no vessels, few fibers – Pine, spruce Resin canals • Hardwoods – many vessels, fibers – Oak, maple Docsity.com Ring-porous wood vs. diffuse porous wood • Used in taxonomic identity of woody species Ash Beech Docsity.com Xylem Rays Docsity.com Ray cells conduct laterally Docsity.com Docsity.com Woody stem, l.s. Docsity.com Docsity.com heartwood sapwood Docsity.com Doc..

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