Plant Morphology Flashcards
exam 2
2 syseyms in basic morphology in plants
shoot system
root system
How do plants grow?
Apical meristem
intrecalaray meristem
lateral meristem
Apical meristem
increases height ^
intercalaray meristem
increases internode length ^
|
lateral meristem
increase girt <->
Plant roots
mechanical function- anchoring plants
Psychological function - take up water and nutrients
interact with abiotic and biotic enviro
root system in prarie plants
Adapted for dry condtions
grow long in length to find water
Xylem
water and minerals
One way (^) and movement is due to negative pressure
Phloem
phtotosyntehsis products ( sugars)
2-way flow due to osmosis and turgor presure
Dicot stem
the phloem is arranged in a ring-like structure
Cabium
growing tissue
blocked xylem can lead to
plant wilt and death
Leaves main function:
is photosynthesis and gas exchancge
arragnement of leaves - Phylotaxy
oppostie \/
alternate . /
whorled x
Evergreen
keep leaves year round