An introduction to the anatomy of seed plants
The embryo. Seedlings. Roots and root systems. Cells and tissues. Buds, and the development of leaves. Leaves of gymnosperms: Mesomorphic and xeromorphic. Mesomorphic and hydromorphic leaves: angiosperms. Leaves of angiosperms: xeromorphic leaves. Gross anatomy of stems. Origin and development of the tissues in stems. Vegetative propagation. Wood. A key for the identification of woods.
25 pages matching secondary thickenings in this book
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abscission air spaces Amer Angiosperms become blade bordered pits branches cambium cell divisions cell walls collenchyma conifers cortex cotyledons cross section cuticle cutinized cylinder dicotyledons differentiate elongated embryo end walls endodermis epicotyl epidermal cells epidermis fiber cells fleshy formed grafting grasses growing growth rings guard cells Gymnosperms habitats hairs herbaceous hypocotyl hypodermis internodes Jour leaf lignified longitudinal sections lower epidermis mature meristematic meristems mesophyll metatracheal monocotyledons nodes occurs outer palisade cells parenchyma pericycle periderm petiole phellogen Pinus pith plants portion primary phloem primary root primary tissues primary wall primary xylem Quercus resin ducts rhizomes rows scale leaves scar secondary thickenings secondary wall secondary xylem seed seedling seriate sieve tubes species spiral spring wood stele stem tip stomata structure summer wood surface thick cuticle thick-walled Tilia tracheids trees uniseriate upper vascular bundles vascular strands vascular tissues veins water tubes xeromorphic xylem and phloem xylem rays