Core Course 6 : Plant Systematics
THEORY
Unit 4: Systems of classification
Major contributions of Theophrastus, Bauhin, Toumefort, Linnaeus, Adanson, de Candolle,
Bessey, Hutchinson, Takhtajan and Cronquist; Classification systems of Bentham and Hooker
[1862-83 (upto series)] and Takhtajan (1997); Brief idea of APG System.
Unit 5: Biometrics, numerical taxonomy and cladistics
Characters; Variations; OTUs, character weighting and coding; Cluster analysis; Phenograms, cladograms (definitions and differences).
Unit 6: Phylogeny of Angiosperms
Terms and concepts (primitive and advanced, homology and analogy, parallelism and convergence, monophyly, Paraphyly, polyphyly and clades). Origin and evolution of angiosperms; Methods of illustrating evolutionary relationship (phylogenetic tree, cladogram).