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Roots - Coggle Diagram
Roots
other types
storage roots
store carbohydrates
biennial
live 2 years
perennials
winter living
prop roots
wide monocot stem
more vascular bundles
transports additional water
stem
buttress roots
brace trunk
orchids aerial roots
epiphytic
attached to branches
drought conditions
root epidermis
velamen
water barrier
contractile roots
#
many bulbs
contracts into soil
firmly secured
mycorrhizae
two relationships
ectomycorrhizal
fungal hyphae
penetrate ectoderm
endomycorrhizal association
hyphae
penetrate endodermis
root nodules
nitrogen fixation
infection thread
root nodule
haustorial roots
parasitic flowering plants
haustoria
strangler figs roots
epiphytes perched
branches
cling to truck
encase entire trunk
internal structure
root cap
meristematic cells
undergoes cell division
root apical meristem
mitotically inactive center
quiescent center
reserves healthy cells
Zone of elongation
#
cells expand greatly
subapical meristem region
outside
protoderm cells protect
provascular tissue
xylem
phloem
permeable membrane
absorption
zone of maturation
root hair zone
increase surface area
increases absorption
endodermis
casparian strips
control minerals
functional zone
phloem
xylem
pericycle
lateral roots activate
mature portions
layer of suberin
outer tangential surface
passage cells
endodermis maturation
root pressure
origin and development
lateral roots
pericycle
#
endodermis crushed
primordium swells
lateral roots destroy
root grows
concepts
three fuctions
absorbing nutrients
water
minerals
high surface area
producing hormones
shoot growth
cytokinin
gibberellin
controls size
anchoring plant
stability
taproots
examples
beets
radish
external structure
root system organization
taproot
lateral roots
branch roots
radicle
embryonic root
fibrous root system
primoridia
adventitious roots
eudicots
primary growth
secondary growth
no adventitious roots
monocots
primary growth
individual root
growth
apical meristem
root cap
cells
dictyosomes
mucigel
zones
elongation
root hair
produce root hairs
increase surface area
