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Gymnosperms



Conifers: example of gymnospermsWhat they are Gymnosperms are vascular and spermatophyte plants that produce seeds.

What are

Gymnosperms are vascular and spermatophyte plants that produce seeds.

Main characteristics of gymnosperm plants:

- The seeds are not formed in a closed ovary.

- Fertilization occurs without the need for water to displace the male gamete.

- They can be trees or shrubs.

- They are woody plants and very common in regions of cold and temperate climates.

- Gymnosperms do not produce fruits.

- They have bare seeds, ie without fruit.

- They are terrestrial life plants.

- They have fertile leaves, as well as stem, root and flowers.

- Gymnosperms produce pollen grains for the reproductive process.

Gymnosperms examples

- Araucaria Forest, present in southern Brazil. The most common species of this forest formation is the parana pine.

- Taiga (Coniferous Forest), present in the cold regions of the northern hemisphere.

- Cica which is also known as sago palm. It is very common in gardens and is used as a decorative element.

- Ginkgo Biloba, tall tree (can reach 25 meters high).

- Trees of the genus Pinus (sequoias, chamaciparis, cedars, Araucaria, cypress and fir).

Scientific classification:

Domain: Eukaryota

Kingdom: Plantae

Superdivision: Spermatophyta

Division: Gimnospermae

Divisions:

- Pinophyta (conifers)

- Cycadophyta (Cycads)

- Ginkgophyta (ginkgo)

- Gnetophyta (gnetophytes)