Plant Taxonomy (BIOL308) - Stephen G. Saupe, Ph.D.; Biology Department, College of St. Benedict/St. John's University, Collegeville, MN 56321; ssaupe@csbsju.edu; http://www.employees.csbsju.edu/ssaupe/ |
Cladistics Exercise
The following data matrix lists the characters and character states for three hypothetical taxa (A, B, C) that form a monophyletic group. Create a cladistic classification of these taxa.
Characters and character states for three hypothetical taxa | ||||||||
Taxon | Character | |||||||
A (Petals) | B (Petal Color) | C (Gynoecium) | D (Ovary position) | E (Carpel number) | F (stamens) | G (fruit) | H (leaf) | |
Taxon 1 | connate | blue | syncarpous | inferior | 5 | numerous | achene | alternate |
Taxon 2 | free | red | syncarpous | inferior | 5 | 10 | achene | alternate |
Taxon 3 | free | yellow | apocarpous | superior | 2 | numerous | drupe | opposite |
Outgroup | free | yellow | apocarpous | superior | 2 | 10 | drupe | alternate |
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Last updated:
08/20/2007 / � Copyright by SG
Saupe