| Images Micrographs (some fantastic pictures) Online sources Internet Directory for Botany (searchable) Botany on-line (hypertextbook) |
Excellent teaching sites University of Tennessee University of Hawaii University of West Indies California State University Plant Physiology |
| Stamps Flowers: Pitcairn Islands |
| Plant
Morphology A "typical" plant Introduction to terms Shoots: Passiflora (stem with leaves), Stem with buds, 3-yr old shoot with buds, Sketch of stem with buds Buds: terms |
Leaf: terms, Leaf forms, Telling shoots from compound leaves |
| Stem: terms and illustrations |
| Stem Primary structure Protoxylem and Metaxylem Secondary structure Tilia: 1-yr old, 2-yr old, 3-yr old |
Root Primary structure Lateral root Salix: primary, secondary |
| Leaf Cross section: fresh leaf Cross section: SEM Cross section: 3-D reconstruction Paradermal section |
Stem:
cross-section, longitudinal sections Primary, secondary structure: 1 Primary, secondary structure: 2 |
| Morphology: Growth and Differentiation: Botany on-line Early plant development Meristems |
Growth
regulators: Auxins, Cytokinins, Isoprenoids |
| Molecular Genetics Transcription Factor Networks: Fleming, Swiss Federal Institute of Technology (ETH). |
Pea: Embryo development |
Maize: Mature seed |
| Carbohydrates
Cellulose: Green algae |
Lignin structure Differentiation and lignification of cell wall model, cross sections 1, 2 |
Organelles |
| Embryophyte
spores |
| Plant Fossils
and Evolution Origin and Evolution of Land Plants: Links to fossils The Palaeozoic Carboniferous Carboniferous: coal Rhynia |
Rhynia stem longitudinal
section with xylem traces in view, Invasion of Land: Anatomical features |
| Stelar
evolution Haplostele Leaf traces and leaf gaps (siphonostele) |
Secondary
growth Sphenopsid stem with wood: cross section of petrified specimen from Carboniferous Calamites wood Tilia (angiosperm) longitudinal section |
| Leaf
Evolution Microphylls and Megaphylls Pertica habit sketch, fossil, sketch Psilophyton sketch Ibykia sketch Fern fossil |
Seed
Evolution Pteridosperms Neuropteris attenuata: fossil and sketch of fossil in context in plant |
| Plants in History A time matrix A time line |
"Plant" uses Lichens |