Dichotomous Key/Plantae

Dichotomous Key
Plantae
Kingdom Plantae


1

  • 2: All cells are similar or nearly so; They appear as an amorphous mass; Mostly aquatic; Single celled or multicellular.
  • 3: Cells are differentiated into types; Cells connected into a discernible structure; Multicellular.

2

3

  • 5: Vascular system present.
  • 11: Vascular system absent.

5

  • 6: Plant reproduces with spores.
  • 7: Plant reproduces with seeds.

6

7

8

  • 9 Seeds not enclosed in an ovary.
  • 10: Seeds enclosed in an ovary.

9

  • Gnetophyta: vessel elements present
  • 14: vessel elements absent

10: Flowering Plant

  • Monocot: Flower parts mostly in 3s or multiples of 3; leaves usually with parallel venation; plants mostly herbaceous; one seed leaf.
  • Dicot: Flower parts mostly in 4s, 5s, or multiples of 4 or 5; Leaves usually with netted venation; plants herbaceous or woody; 2 seed leaves.

11

14

  • Cycadophyta: Superficially resembling a fern with clusters of long pinnate fronds growing from a central stalk.
  • 15: Does not resemble a large fern or palm tree.

15

  • Ginkgo biloba: Leaves have dichotomous venation (veins continuously divide into 2).
  • Pinophyta: Leaves do not have dichotomous venation.
Glossary for this page
(all links are to Wikipedia articles)
Seed:
Flower:
Tracheid:
Haploid:
Diploid:
Sporangium:
Last modified on 30 August 2013, at 01:22