BOT 360F - Families of Vascular Plants

Quiz 6 25-Oct-11

 

(1) Please identify structures a-e.

diagrammatic Magnolia flower
  • (a) microsporophyll or stamen
  • (b) style (or pistil)
  • (c) ovary
  • (d) stigma
  • (e) pistil (or style)
 

(2a) What is the structure indicated in green in this diagram (below left)? (2b) To what taxonomic group can you confidently identify this plant structure (below right)?

Ginkgo seed with embryo Ginkgo seed with embryo
  • (2a) Megagametophyte
  • (2b) Gymnosperm (it's a Ginkgo seed)

http://www.eplantscience.com/botanical_biotechnology_biology_chemistry/seed.php

(3) To what taxonomic group can you confidently identify these plants? For extra credit, what is the difference between the two pictures?

Ephedra (Ephedraceae, Gnetales, Gymnosperms)

    Ephedra

Ephedra microsporophylls

Female Ephedra plant, New Mexico

Photo: R. C. Evans © 1997 R. C. Evans

Male Ephedra plant, New Mexico

Photo: R. C. Evans © 1997 R. C. Evans

Click HERE for Quiz 6 in 2010.


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