Question | Answer |
blade | the flat part of a leaf |
vein | the tubelike structure of a leaf blade that offers support to the leaf and transports materials to and from the leaf. |
venation pattern | the design of leaf veins |
Rubbing allows | us to see the leaf venation |
Leaf characteristics include | shape, venation and margin |
Leaf blades come in many | shapes |
Linear leaf blades are | long and slender |
Cordate leaf blades are | heart shaped |
Deltoid leaf blades are | triangular |
Leafs can be grouped based on venation type | parallel, palmate and pinnate |
Parallel leaves | have veins that look like many straight lines all running in the same direction. |
Types of parallel leaves | Iris, lily bamboo corn all grass |
Types of palmate leaves | sycamore, broadleaf and maple |
Types of pinnate leaves | cottonwood, elm, fruit and nut trees magnolia |
palmate leaves | have several main veins ahtat all start from one point near the base. The veins resemble the palm of the hand and tigers. |
pinnate leaves | have one main vein with many large veins that branch off sideways all along the main vein. They look like feathers. |
Leaf margins or edges can be | smooth, toothed, jagged, scalloped, wavy or sawlike. |
What are the 3 types of venation patterns? | Parallel, Palmate, and Pinnate |
Margin | the edge of a leaf |