Test 2 Plants Flashcards
petiole
stalk of leaf
blade
expanded green bit of leaf
apex
point/tip of leaf
base
beginning of leaf
margin
border/edge of leaf
simple leaf
consists of single part
compound leaf
divided into smaller leaflets
pinnately compound leaf
all leaflets attached to the petiole at different points
palmately compound leaf
all leaflets attached to petiole at single point
pinnately lobed leaf
lobes arranged on either side like a feather
palmately loved leaf
lobes arranged from central point
alternate arrangement
one leaf per node
opposite arrangement
two leaves per node
whorled arrangement
3+ leaves per node
types of stipule scars
small, large, or encircling
axillary bud
buds formed above where petiole connects to the stem (little buds beside terminal bud)
leaf scar
relatively large scar area where a leaf would grow
bundle scar
small scars within leaf scar
lentical
small openings in stem for gas exchange
node
connection point for a leaf