Difference between revisions of "AY Honors/Wattles/Answer Key"

Revision as of 00:38, 11 June 2008

1. What is the approximate number of named varieties of wattles in Australia?

There are roughly 1300 species of Wattles worldwide, about 960 of them native to Australia, with the remainder spread around the tropical to warm-temperate regions of both hemispheres, including Africa, southern Asia, and the Americas. Wattles are trees and shrubs belonging to the genus Acacia.

2. a. What are phyllodes?

b. What work do they do for the plant?

c. Why are phyllodes so important in the study of acacias?

3. How are acacias classified into two major groups?

4. How does the shape of the seed pod and the way the seeds lie in the pad help in identification?

5. How many acacias in your state have true leaves (bipinnate) when adults?

6 a. In seeding acacias what is seen first, true leaves or phyllodes?

6 b. How many have true leaves?

7. What must happen to an acacia seed before it will germinate and grow?

8. What acacias phyllodes are used to feed stock in times of drought?

9. What is the bark of some acacias used for in Australia?

10. What species of acacias are used for furniture making?

11. How do acacias help and benefit man, animals, insects, birds?

12. Make a collection of 10 or more dried pressed wattles with flowers and phyllosed and where possible pods and seeds. Show dates, place collected, common and scientific names. Some must be spike type flowers, some raceme type or single balls and some bipinnate leaves.

OR

20 or more close-up photographs you have taken of wattles showing the above details.

References

http://www.geocities.com/gratim98/oznativ12.htm

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 ==1. What is the approximate number of named varieties of wattles in Australia? ==
+There are roughly 1300 species of Wattles worldwide, about 960 of them native to Australia, with the remainder spread around the tropical to warm-temperate regions of both hemispheres, including Africa, southern Asia, and the Americas.  Wattles are trees and shrubs belonging to the genus ''Acacia''.
 ==2. a. What are phyllodes? ==
 ===b. What work do they do for the plant? ===