Zusammenfassung der Ressource
Plants Tree of Origin
- NonVascular Plants
- Liverworts
- Hornworts
- Mosses
- Looks like they have roots, stem, leaves
- no vascular tissue
- need water for flagellated sperm
- max height of 15-20cm
- Important for moisture, mental rentantion
- Toleration of disccation
- Cooksonia (first vascular plant)
- Seedless Vascular Plants
- Ferns
- Lycophytes
- Vascular tissue
- phloem for nutrient transport
- xylem for H2O transport
- First seed plants
- Gymnosperms
- Conifers
- Monoecious (pollen & seed cones)
- Cycads
- Ginkgoes
- Gnetophytes
- Seed plants
- Vascular
- Don't release spores, but what they develop into
- Angiosperms (flowering plants)
- Class: Monocots
- 1 cotyledon in seed
- root xylem + phloem in ring
- vascular bundles scattered in stem
- leaf veins form parallel pattern
- flower parts in 3 and multiples of 3
- Class: Eudicots
- 2 cotyledon in seed
- root phloem between arms of xylem
- vascular bundles in distinct ring
- Leaf veins form a net pattern
- Flower parts in 4 or 5 and their multiples
- Cotyledon (seed containing nutrients for embryo)