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If the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary, the flower is said to be
- a)Perigynous
- b)Hypogynous
- c)Epigynous
- d)Hypergynous
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
If the margin of thalamus grows upward enclosing the ovary completely ...
In epigynous flowers, the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary.
Most Upvoted Answer
If the margin of thalamus grows upward enclosing the ovary completely ...
The correct answer is option 'C', which is "Epigynous". Let's understand why.
An epigynous flower is a type of flower where the margin of the thalamus, which is the receptacle of the flower, grows upward and encloses the ovary completely and gets fused with it. In this arrangement, the other parts of the flower, such as sepals, petals, and stamens, arise above the ovary.
To better understand this concept, let's break it down into the following sections:
1. Flower Anatomy:
- The flower is the reproductive structure of angiosperms (flowering plants).
- It typically consists of four main parts: sepals, petals, stamens, and carpels.
- The carpel is the female reproductive organ and consists of an ovary, style, and stigma.
2. Thalamus:
- The thalamus, also known as the receptacle, is the swollen end of the flower stalk to which the floral parts are attached.
- It provides support and protection to the developing reproductive structures.
3. Epigynous Flower:
- In an epigynous flower, the margin of the thalamus grows upward and encloses the ovary completely.
- The thalamus fuses with the ovary, making it appear as if the ovary is embedded within the thalamus.
- As a result, the other flower parts, including the sepals, petals, and stamens, arise above the ovary.
- The sepals and petals are attached to the rim of the thalamus, above the ovary, while the stamens arise from the thalamus as well.
4. Examples of Epigynous Flowers:
- Some well-known examples of epigynous flowers include members of the rose family (Rosaceae) such as apples, strawberries, and roses.
- In these flowers, the thalamus grows upward and fuses with the ovary, and the sepals, petals, and stamens are positioned above it.
In summary, an epigynous flower is characterized by the upward growth of the thalamus, which encloses the ovary completely and fuses with it. This arrangement causes the other parts of the flower to arise above the ovary.
An epigynous flower is a type of flower where the margin of the thalamus, which is the receptacle of the flower, grows upward and encloses the ovary completely and gets fused with it. In this arrangement, the other parts of the flower, such as sepals, petals, and stamens, arise above the ovary.
To better understand this concept, let's break it down into the following sections:
1. Flower Anatomy:
- The flower is the reproductive structure of angiosperms (flowering plants).
- It typically consists of four main parts: sepals, petals, stamens, and carpels.
- The carpel is the female reproductive organ and consists of an ovary, style, and stigma.
2. Thalamus:
- The thalamus, also known as the receptacle, is the swollen end of the flower stalk to which the floral parts are attached.
- It provides support and protection to the developing reproductive structures.
3. Epigynous Flower:
- In an epigynous flower, the margin of the thalamus grows upward and encloses the ovary completely.
- The thalamus fuses with the ovary, making it appear as if the ovary is embedded within the thalamus.
- As a result, the other flower parts, including the sepals, petals, and stamens, arise above the ovary.
- The sepals and petals are attached to the rim of the thalamus, above the ovary, while the stamens arise from the thalamus as well.
4. Examples of Epigynous Flowers:
- Some well-known examples of epigynous flowers include members of the rose family (Rosaceae) such as apples, strawberries, and roses.
- In these flowers, the thalamus grows upward and fuses with the ovary, and the sepals, petals, and stamens are positioned above it.
In summary, an epigynous flower is characterized by the upward growth of the thalamus, which encloses the ovary completely and fuses with it. This arrangement causes the other parts of the flower to arise above the ovary.
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Community Answer
If the margin of thalamus grows upward enclosing the ovary completely ...
Epigynous...inferior ovary...as the ovary gets completely fused...and other parts grow about it..ex:-ray florets of sun flower...
perigynous.->plum ;peach;rose.
hypogynous->hibiscus..
perigynous.->plum ;peach;rose.
hypogynous->hibiscus..
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If the margin of thalamus grows upward enclosing the ovary completely and getting fused with it, the other parts of flower arise above the ovary, the flower is said to bea)Perigynousb)Hypogynousc)Epigynousd)HypergynousCorrect answer is option 'C'. Can you explain this answer?
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