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The nature of taxonomy (09-Jan-03);
Pteridophytes (lab)


Sources of taxonomic evidence:

Microscopic

Macroscopic

Interaction with Environment

Development of male and female gametophytes; of embryo and endosperm

sporangia, spores, pollen, flowers, fruits, seeds

REPRODUCTIVE STRUCTURES
(crossability, meiotic pairing)

sexual reproduction, life cycle, pollination, fruit and seed dispersal, coevolution with pollinators, dispersal vectors, parasites, pathogens

leaf architecture, cuticle, trichomes; vascular anatomy (stele, node, petiole), wood

leaves
stems
roots

VEGETATIVE STRUCTURES
(chromosomes, karyotypes; secondary compounds)

habit, habitat, distribution, population structure, phenotypic plasticity

     

Embryology, Palynology

Comparative Anatomy and Morphology, Phytography

Physiology, Biochemistry

Paleobotany

DISCIPLINES
(Genetics, Cytology, Biosystematics; Molecular Systematics; Phytochemistry; and plant exploration - collecting plants in the field)

Autecology, Genecology, Biogeography


Pteridophytes

Judd et al. (2002) Chapter 8, pp. 185-199

Life cycle

cf. Judd et al. (2002) Fig. 8.1 (p. 187)


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Please send your comments to tim.dickinson@utoronto.ca; last updated 09-Jan-2003