Laboratory Investigation #13
Taxonomy
Description of the Lab
This lab focuses on plant taxonomy. A dichotomous key will be constructed and
a dichotomous key will be used for plant identification.
Outline of Investigation
1. Creating a Dichotomous Key
A. A box full of at least 12 different nails, screws and bolts; Lab 17 Key
B. Same as above
C. Same as above
2. Using a Dichotomous Key
A. Horticulturist’s tool set
Laboratory Materials and Equipment for Student Use
Materials and Equipment
Per
Student
Per Pair of
Students
Per Lab
Group
Per
Room
Local flora book with a dichotomous
A box full of at least 12 different
12
144
Preparation of laboratory Materials and Reagents
1 day prior to the lab
1. Set out the box of nuts, bolts, and screws. Set out hand tools, plant presses,
newspaper, and markers.
After the Lab has finished
Questions for Lab #13 Taxonomy
Use the knowledge you acquired in this lab exercise, along with information from your
textbook, to answer the following questions.
1. Define taxonomy.
The field of describing, naming and classifying organisms
2. Define herbarium.
3. Go to internet and find then list the 5 closest Herbaria to your school.
A.
4. What is the suffix used for a plant family.
-aceae
5. What is the suffix used for a tribe?
–eae
6. What is a dichotomous key?
Aid in identifying organisms made of two contrasting statements made about the