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Woody Plants (Vascular Cambium (One of the meristems that produce…
Woody Plants
Vascular Cambium
One of the meristems that produce secondary plant body
Fusiform Initials (long tapered calls)
Undergoes longitudinal cell division with a wall parallel to
periclinal wall
, it produces two elongate cells
One is a fusiform initial and the other differentiates into a call of secondary xylem or phloem
One cell always remains the cambium
Within a year, Xylem and Phloem are produce.More Xylem than Phloem
Cambial cells produce narrow daughter cells (enlarge during differentiation)
Occassionally divide longitudinally by
anticlinal walls
Primary tissues
Herbs
Secondary tissues
Wood (secondary xylem) and Bark (secondary phloem and cork)
Trees such as sycamores, chestnuts and pines
Most plants remain low enough for adventitous roots to reach the soil
Rhizomatous such as irises, bamboo and ferns
Woody plants become taller by apical meristem
Also wider by accumulation of wood and bark
Ray Initials (short and more of less cubodial)
Undergo periclinal cell division
Types of Wood cells
Hardwoods (angiosperm woods)
Softwoods (Woods from conifers such as pines and redwoods)
