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Chapter 5 (Stems # (Primary Survival ("Shoot" # (Bulbs, Corms),…
Chapter 5
Stems
#
Primary Survival
Growth
Creation of new cells
Apical Meristems
Cytokineses
"Shoot"
#
Bulbs
Corms
Stores Sugars
Dispersal
Types
Primary Plant Body
Herbaceous
lives 1 year
Primary Tissues
Epidermis
Single Layer
Barrier
Protects from bacteria
Thin Wall
Guard cells
Radial Arrangement
Cellulose
Micro fibrils
Stoma
Opens during daytime
Allows carbon dioxide to enter
Trichomes
Difficult for animals to interact with
Inner Epidermis
Cortex
#
#
Homogenous
Secondary Plant Body
Woody
Phyllotaxy
Positions Leaves
Two leaves per Node
Cells
Supportive Tissue
Parenchyma
#
Soft part of plants
metabolically active
Remains alive after maturity
Chorenchyma
Involved in photosynthesis
Numerous Chloroplasts
Thin walls
Glandar
Secretes
Nectar
Fragrances
Mucilage
Resins
Large Plasma Membrane
Xylem
Tracheids
Enters cell cyle
Stops dividing
Deposits a secondary wall
Annular Thickening
Water movement
Helical Thickening
one of three helical's exists as one interior wall
Scalariform
Provides strength
Reticulate
Deposits in the shape of a net
Vessel
Treachery Elements
Thickening is weak
Nodes
Internodes
Leaf axle
Absorptive cells
Cannot photosynthesis
Grow downwards
Sugar is processed
Vines
Elongated internodes
Stolons
Runners
long and thin
vertical internodes and fully expands leaves