Biol 1012

All images provided by Tim K. Smith

FYI

This PowerPoint presentation was specifically designed to be used with UMD Biology 1012 lab manual (2004-2005) – Exercise 6 Seed Plants – Gymnosperms and Flowering Plants

So WHY do you have to do this

Familiarize yourself with the variety of trees that are classified as gymnosperms

Learn how to use a taxonomic key Identify local gymnosperms Incorporate some random trivia into your

knowledge base This is MN and sometimes the weather is just to

yucky to actually go out to the trees, so we bring the trees to you.

Keys to keying gymnosperms

Note key traits of leaves (shape, size, etc.) Note key traits of cones (size, location,

etc.) Note key traits of bark (color, texture)

Raised leaf stem

Bases of leaves raised on stem

Bases of leaves running down the stem

Bases of leaves not running down the stem

This is typical of a spruce where the leaf grows off of a small stem

What am I?

After you have keyed out this tree, click on the ? to see if you are correct

Are you ready for the next tree? Click on the forward arrow

All Finished ?

What am I?

Needles don’t break when bent

Are you correct?

Next tree

Finished?

What am I?

Are you correct?

Next tree

Finished?

What am I?

Are you correct?

Next tree

Finished?

What am I?

Are you correct?

Next tree

Finished?

What am I?

Are you correct?

Next tree

Finished?

What am I?

Are you correct?

Finished?

Balsam Fir

Find three facts about me: (click on the link above to take you to a web page where you can find

this information)

Back to this tree

Black Pine

Also know as an Austrian Pine. Name two European countries where I

grow (check out the link for the answer)

Black Spruce

What is my preferred habitat in northern Minnesota?

Ginko biloba

What makes me special ?

Douglas-Fir

Why should Douglas-Fir be hyphenated

Blue Spruce

Would you be wise to plant this tree for landscape purposes if you lived in southern Texas? Why or why not

White Cedar

Okay, here is where the random trivia comes in. Read through the history part of this web page and list two uses that intrigue you.

To Review any of the trees that were covered in this presentation simply click on the name.

If you are finished click the speaker.

Balsam Fir

Black Pine

Black Spruce

Ginko biloba

Douglas-Fir

Blue Spruce

White Cedar