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PLANT DIVERSITY (2 )

BDC221. PLANT DIVERSITY (2 ). PLANT DIVERSITY (2). Higher plant nomenclature, identification and classification. Cladistic methodology. Classification systems and modern approaches to Angiosperm classification. Characters of Taxonomic importance in higher plants. Fynbos families.

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PLANT DIVERSITY (2 )

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  1. BDC221 PLANT DIVERSITY (2)

  2. PLANT DIVERSITY (2) • Higher plant nomenclature, identification and • classification • Cladistic methodology • Classification systems and modern approaches to • Angiosperm classification • Characters of Taxonomic importance in higher plants • Fynbos families

  3. BDC 221 (2) PLANT DIVERSITY (ANGIOSPERMS)

  4. 1. INTRODUCTION: Overview; course specifics Author citations, typification, priority of names ICBN 2. PLANT NOMENCLATURE: 3. PLANT IDENTIFICATION: Keys: purpose, guidelines and strategies 7. CLASSIFICATION SYSTEMS 1: Traditional vs modern systems THEORY 4. CLADISTIC METHODOLOGY 1: Concepts (characters, homology/homoplasy, morphoclines, polarity, constructing a char/taxon matrix using plant characters. 5. CLADISTIC METHODOLOGY 2: Tree building and optimisation 6. CLADISTIC METHODOLOGY 3: Exercises in tree building Discussion on Chase’s classification (research paper) based on cladistic methodology 8. CLASSIFICATION SYSTEMS 2:

  5. 9. SOURCES OF TAXONOMIC IMPORTANCE 1: Plant morphological and anatomical features 10. SOURCES OF TAXONOMIC IMPORTANCE 2: Molecular characters 11. PLANT DIVERSITY IN FYNBOS: Overview of important fynbos plant families Diagnostic features, systematics, floral adaptations, evolution 12. ERICACEAE: 13. PROTEACEAE: Diagnostic features, distribution, classification, economic uses Field recognition, size, distribution and general information, economic importance 14. RUTACEAE/ POLYGALACEAE: 15. ORDER FABALES: Classification, field recognition of different families, Mimosaceae, Caesalpiniaceae and Fabaceae:Discussion on Polygalaceae vs. Fabaceae.

  6. 16. GERANIACEAE, OXALIDACEAE, SCROPHULARICAE: Field recognition, description, evolution 17. ASTERACEAE, LAMIACEAE: Field recognition, pollination, evolution. Field recognition, description and evolution. 18. GRASSES, SEDGES AND REEDS: ASSIGNMENT 1: A ONE PAGE SUMMARY: Using the Library’s interactive search for journal articles, search 5 relevant journal articles on any topic relating to identification or classification. Write a one page summary summarising the 5 journal articles (note: the summary should be a combined summary and not a summary of the individual articles). ASSIGNMENT 2: ESSAY 1 500 WORDS: Use one of the journal articles and write an essay of about 1 500 words on the topic. Your essay should have an introduction, materials and methods, results, a discussion and a reference list. References should follow the “Council of Science Editors (CSE)” format.

  7. 6.LEAF STEM AND ROOT ANATOMY 7. ERICACEAE Microscope work: Apical meristems, secondary growth Morphological studies of various genera and species. Datasheets to record features, drawings, questions at the end of the practical. PRACTICALS Leaf data: length, width, range, mean, median; line graphs: Shape, margin, apex, base, etc. 1. QUANTITATIVE DATA vs QUALITATIVE DATA: 2. LEAF IDENTIFICATION: Vegetative leaf key exercise 3. FLOWER IDENTIFICATION: Exploring reproductive features in a key 4. KEY CONSTRUCTION: Constructing own key using vegetative and reproductive characters 5. CLADISTIC EXERCISE: Determining phylogenies in plants using Hennig86

  8. 10. PETALOID MONOCOTS 8. PROTEACEAE 9. ASTERACEAE Morphological studies of various genera and species. Datasheets to record features, drawings, questions at the end of the practical. Morphological studies of various genera and species. Datasheets to record features, drawings, questions at the end of the practical. Morphological studies of various genera and species. Datasheets to record features, drawings, questions at the end of the practical. Morphological studies of various genera and species. Datasheets to record features, drawings, questions at the end of the practical. • GRASSES, SEDGES AND • REEDS 12. PRACTICAL TEST

  9. SKILLS 1. ACCESS INFORMATION 2. BASIC STATISTICS AND GRAPHS 3. USE OF IDENTIFICATION KEYS 4. READ SCIENTIFIC PAPERS 5. SCIENTIFIC METHOD 5. SCIENTIFIC REPORT WRITING

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