stem morphology. shoot tip leaf scar young leaf stipule lateral vein leaf margin pulvinus petiole...
Post on 11-Jan-2016
244 Views
Preview:
TRANSCRIPT
STEM MORPHOLOG
Y
Shoot tip
Leaf scar
Young leaf
Stipule
Lateral vein
Leaf margin
Pulvinus
Petiole (leaf stalk)
Leaf base
Midrib
Adventitious roots
Abscission zone
Internode
Soil surface
Transition zone
Axillary bud
Node
Primary lateral root
Tap root
Secondary lateral root
Leaf tip
Axillary bud
Leaf
Root
Stem
Parts of Root, Stem and Leaf
new corm
old corm
BULB
RHIZOME
CORM
TUBER
axillary bud
internode
scale leaf
node
adventitious roots
tuber
axillary bud
adventitious roots
stem
axillary bud terminal bud
scale leaf
axillary bud
STEM MODIFICATIONS
Ginger - rhizome Potato- tuber
Gladiolus - corm Onion - bulb
STOLON
SUCKERSUCKER
RUNNER
stolon runner
suckernew rhizome old rhizome
sucker
Banana - suckers
Stolons Runners
CLADODE
cladodeAsparagus
Stem modification Leaf modification
Thorn
STEM BRANCHING
shoot tip/apex
main stem
lateral branch
- Indefinite- Racemose- Monopodial
dead shoot tip
BiparousScorpiod (Zigzag) Helicoid (helix)
Uniparous
Cymose/Definite
Zigzag branching
TENDRILS
tendrils
Cymose/Definite
Monopodial/Racemose/Indefinite
top related