Leaves General
In a simple leaf, the stalk is called the petiole and the flat expanded part is called this.
What is blade?
name the shape:
egg-shaped with the larger end at the bottom.
What is ovate?
Broad flat leaves, loses leaves each year in the fall,
What are deciduous trees?
Name the margin:
Smooth with no teeth or lobes. Southern Magnolia have these margins.
What is entire?
the compressed, undeveloped shoot, may be lateral or terminal.
What is a bud?
A simple leaf is composed on one leaf blade whereas one of these is made up of several leaflets.
What is a compound leaf?
Name the shape:
heart shaped, with a wider part at the bottom, resembling an eastern redbud.
What is a cordate?
examples: pine, spruce, hemlock, fir.
What are evergreens (coniferous)?
Name the margin:
sharp, forward pointing teeth.
point on stem where leaf or bud is borne
What is a node?
when leaves are arranged two per node
What is opposite?
Name the shape:
tapered at both and curves. resembles a sweetbay leaf.
What is elliptic?
A pine trees leaves would be described as: scale like or needle like.
What are needle like?
Name the margin:
waving up and down.
What is undulate?
When leaves are arranged two or more per node.
This is known as whorled leaf arrangement.
when leaflets are all arising from one point at the base of the leaf.
What are palmately compounded?
when all the lobes arise from one point at the base of the leaf. Maple leaves resemble this.
What is palmately lobed?
needle shaped leaves, seeds that develop into cones
What are evergreens (also known as coniferous)?
When each vein branches into two and then two again and so on.
What is dichotomous?
The northern white cedar is an evergreen, but instead of needle like leaves its leaves are this.
What are scale like?
Describe the honey locust- simple, pinnately compound, palmately compound, needle-like, scale-like
What is pinnately compound?
Describe the American Basswood leaf's shape.
What is cordate?
Describe the trees as deciduous or coniferous:
Eastern hemlock, White Oak, Quaking Aspen, Red Spruce,
Coniferous, Deciduous, Deciduous, Coniferous
Describe the leaf veins: Black tupelo
What is pinnate?
Describe the Butternut Species using at least 3 descriptor words.
deciduous
pinnately compounded (would also except odd-pinnate, and other variations of pinnately compounded)
shape: would accept lanceolate, ovate, (maybe elliptical)