Dichotomous Key/Plantae
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This page may need to be | Plantae | |
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| Kingdom | Plantae |
1: Plants
- Cellular Organization
- All cells similar or almost so, appears as amorphous mass - #2: Green Algae
- Cells differentiated into types, connected in a discernible structure - #3: Embryophytes
2: Green Algae
- Flagellate cells
3: Embryophytes
- Vascular system
- Plant tissue does not contain water-conducting vessels known as tracheids - Bryophyta
- Plant tissue does contain water-conducting vessels known as tracheids - #4: Tracheophytes
4: Tracheophytes
- Seeds
- Present - #5: Spermatophytes
- Not present - #6: Non-seed bearing tracheophytes
5: Spermatophytes
- Ovule enclosed at pollination
- Yes - Magnoliophyta or Angiospermae
- No - #7: Gymnosperm
6: Non-seed bearing tracheophytes
- Roots
- Present - #10
- Not present: Psilotophyta
7: Gymnosperm
- Leaf veins
- Bifurcate only - Ginkgo biloba
- Branching - #8
8
- Wood vessels
- Present - Gnetophyta
- Not present - #9
9
- Leaves
- Individual leaves small (0.2-40 cm long), not subdivided into leaflets - Pinophyta
- Individual leaves large (50-200 cm long), subdivided into many leaflets - Cycadophyta
10
- Leaves
- Fused at the base - Equisetophyta
- Unfused - #11
11
Could be Ophioglossophyta, Pteridophyta or Lycopodiophyta
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