Definition of Gymnosperms and Characteristics of Gymnosperms (Most Complete)
Definition of Gymnosperms and Characteristics of Gymnosperms (Most Complete) – Again, we will start a new discussion but still within the scope of biology. This time we will discuss gymnosperms, surely there are still many people who don't know or understand this word.
Therefore, Around Knowledge will provide an explanation and review regarding this matter. So it can help you understand and make you understand more. For more details, let's continue the discussion of this article.
Definition of Gymnosperms and Their Characteristics (Most Complete)
Let's discuss the meaning first carefully.
Definition of Gymnosperms
Gymnospermae comes from the Greek words gymnos which means open and sperma which means seed. Where gymnosperms are plants whose pollen falls directly on the ovule, where unfertilized seeds are not like the pistils of flower plants. Meanwhile, the meaning of open seeds is that they are not enclosed in the fruit.
Meanwhile, many plants are known as conifers or pines which have cones. The term conifer itself comes from the reproductive structures in the plant itself and is also a collection of sporophylls which have a scaly shape.
Characteristics of Gymnosperms
This plant has open seeds and has various characteristics. What are the characteristics of this plant? To understand the characteristics of this plant more clearly, let's continue the discussion together.
- Has true roots, stems and leaves
- Meanwhile, the leaves are narrow and stiff
- The ovule does not receive protection from the fruit leaves
- It grows and is located outside the megasporophyll or ovary
- Megasprophylls in the form of scales support the seeds which are collected in the form of strobilus or conifers and are woody except in cycas.
- Male and female soprofiles are separate
- Has no true flowers
- Doesn't have a flower crown
- Flowers in the form of strobilus which are capable of producing secretions in the form of droplets of sap containing male sex cells in male strobilus and also egg cells in female strobilus
- The ovules are outside so they cannot be protected by the fruit leaves
- Hesterosporous plants can produce two types of spores
- The first spore is in the form of megaspores which then form gametes, and the second spore is in the form of microspores which produce pollen
- During reproduction, a single fertilization occurs
That's what can be explained about Definition of Gymnosperms and Characteristics of Gymnosperms (Most Complete), where this plant is an open seed plant that has a variety or many characteristics of this plant, hopefully it will be useful for those who read it 🙂
Also read:
- Basic Taxonomic Characteristics and Life Cycle of Cormophytes with Seeds (Complete)
- Getting to Know the Anatomy and Physiology of Seed Cormophytes (Complete)
- Function of Ovules: Definition of Ovules and Functions of Flower Parts
- Understanding Angiosperms and Their Characteristics (Most Complete Discussion)
- Understanding Cambium: Characteristics, Function, Types and Structure
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