About "Plants" (mostly Vascular Plants)

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


Angiosperms (flowering plants)


Vegetative Plant Morphology
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
Root: terms,
Tap root (Acer negundo)

 Vegetative Anatomy
Anatomy Textbook: Mauseth
Vascular and Ground Tissue
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

Vegetative Function
Photosynthesis, transpiration, water movement, translocation
Diffusion and Osmosis
Diffusion: Fick's First Law
Water uptake by roots
Water transport
Water movement through a plant
Transpiration-cohesion hypothesis
Translocation
Food transport in plant
Bulk flow
Sieve cells, Sieve plates, Sieve plate
Stomatal movement
Photosynthesis

Vegetative Growth and development
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).


Life cycles
 Arabidopsis
Flower  (sketch)
Floral meristem
Flower

Nuclear endosperm development in Arabidopsis
Globular embryo
Heart-shaped embryo

Pollen
Pollination

Female gametophyte, pre-fertilization
Female gametophyte, post-fertilization

Seeds
Germination 1: radicle
Germination 2: plumule





Pea: Embryo development

Maize: Mature seed



Chemical constituents
Carbohydrates

Cellulose: Green algae

Lignin structure

Differentiation and lignification of cell wall modelcross sections 1, 2



Organelles


 

Life Cycles
Embryophyte spores



Plant Diversity


Historical record and Evolution
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







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R. Geeta                                                                                                                 This page last updated on February 4, 2004