cycadales and ginkgo cycadales: -vegetative -leaves, stems, roots -reproductive - cones - female,...
Post on 19-Dec-2015
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Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
Ginkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
Tissue types, arrangement?
Life cycle?
Synapomorphies?
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
- Rosette growth habit- Secondary growth?- Girdling leaf traces- Coralloid roots- Eusteles!
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
- Rosette growth habit- Secondary growth?- Girdling leaf traces- Coralloid roots- Eusteles!
Cycadales and GinkoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
Cycadales and GinkoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
-Microsporophyll
- Eu- or Leptosporangia?
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
-Salpinx?
-Megasporophyll
- How does the sperm get to the egg?
M
C
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
- Female Gametophyte - Nucellus- Integument
- Endotesta- Scelerotesta- Sarcotesta
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
M
C
Cycadales and GinkgoCycadales:-Vegetative
-Leaves, stems, roots-Reproductive
- Cones- Female, male gametophytes- Embryo development
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
- Leaf Characters?- Short vs. Long shoots
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development Crystals!
^ Shoot Apical Meristem
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
< Root cross section
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
Cycadales and GinkgoGinkgoales-Vegetative
-Leaves, stems, roots-Reproductive
- Female, male gametophytes- Embryo development
What happens to the cotyledons during germination?