Leaf Parts
What is the leaf-appropriate name of the "stem" of a leaf?
petiole
how many leaves are on each petiole in a simple leaf?
1
Show us what an opposite leaf type looks like with your hands
Good job
good job
What is the name of branches that grow opposite of each other?
opposite
What is the main vein called?
midvein
How many needles can be on a needle leaf?
1, 2, or 5
What are the 4 leaf arrangements:
opposite, alternate, whorl, and basal
What shape is a deltoid leaf in?
triangle
What pattern grows like a corkscrew?
The tiptop point of a leaf's name
apex
compound
How may bundles can a needle leaf have?
What are the 2 types of needles?
4-sided and flat
Name the 4 main types of branches
whorled, opposite, alternate, spiral
The part of the leaf that has the veins, mid vein and margin around it?
blade
Look at your teacher: what type of leaf did she draw?
double compound leaf
Why is a scale-like leaf named that way?
Because it grows like the scales of a reptile
What are the 4 types of leaf margins?
smooth, fine-toothed, coarse-toothed and wavy
Leaves and branches can both grow in what patterns?
opposite, alternate, whorled, spiral
Name every part of the leaf:
petiole, blade, veins, midvein, margin, apex
How many types of leaves are there?
4: simple, compound, double-compound and needle
What type of leaves do a coniferous tree have (usually)?
needle
Why is the cordate leaf named after a heart?
because it's shaped like a heart / French word for heart coeur
columnar