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In _____ aestivation, sepals or petals in a whorl just touch one another at the margins, without overlapping, as is found in _____ .
- a)valvate, Calotropis
- b)Valvate, Hibiscus
- c)twisted, Calotropis
- d)twisted, Hibiscus
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
In _____ aestivation, sepals or petals in a whorl just touch one anoth...
In valvate aestivation, sepals or petals in a whorl just touch one another at the margins without overlapping. This type of aestivation can be observed in the flowers of Calotropis.
- Valvate Aestivation: Sepals or petals in a whorl touch at the edges but do not overlap.
- Example: Calotropis exhibits valvate aestivation.
Thus, the correct answer is:
A: valvate, Calotropis
Most Upvoted Answer
In _____ aestivation, sepals or petals in a whorl just touch one anoth...
Valvate Aestivation:
In valvate aestivation, the sepals or petals in a whorl just touch one another at the margins, without overlapping. This type of aestivation is found in certain plant species, including Calotropis.
Calotropis:
Calotropis is a genus of flowering plants in the family Apocynaceae. It comprises two species, Calotropis gigantea and Calotropis procera. These plants are commonly known as milkweeds or swallowworts.
Sepals and Petals:
Sepals and petals are floral organs that are part of the perianth, the non-reproductive part of the flower. They are typically arranged in whorls and play important roles in protecting the reproductive organs and attracting pollinators.
Aestivation:
Aestivation refers to the arrangement of sepals or petals in relation to each other in the bud. There are several types of aestivation, including valvate and twisted.
Valvate Aestivation in Calotropis:
In Calotropis, the sepals or petals exhibit valvate aestivation. This means that they touch each other only at the margins, without overlapping. The margins of the sepals or petals come together like the valves of a door, hence the term "valvate."
Hibiscus:
Hibiscus is a genus of flowering plants in the family Malvaceae. It comprises several hundred species, including both herbaceous plants and shrubs. Hibiscus flowers are known for their large, colorful petals and prominent stamens.
Comparison with Hibiscus:
The correct answer to the given question is option A, valvate aestivation in Calotropis. This is because hibiscus exhibits twisted aestivation, where one sepal or petal overlaps the adjacent one in a whorl. This arrangement is different from the valvate aestivation seen in Calotropis.
Therefore, the correct answer is option A, valvate aestivation in Calotropis.
In valvate aestivation, the sepals or petals in a whorl just touch one another at the margins, without overlapping. This type of aestivation is found in certain plant species, including Calotropis.
Calotropis:
Calotropis is a genus of flowering plants in the family Apocynaceae. It comprises two species, Calotropis gigantea and Calotropis procera. These plants are commonly known as milkweeds or swallowworts.
Sepals and Petals:
Sepals and petals are floral organs that are part of the perianth, the non-reproductive part of the flower. They are typically arranged in whorls and play important roles in protecting the reproductive organs and attracting pollinators.
Aestivation:
Aestivation refers to the arrangement of sepals or petals in relation to each other in the bud. There are several types of aestivation, including valvate and twisted.
Valvate Aestivation in Calotropis:
In Calotropis, the sepals or petals exhibit valvate aestivation. This means that they touch each other only at the margins, without overlapping. The margins of the sepals or petals come together like the valves of a door, hence the term "valvate."
Hibiscus:
Hibiscus is a genus of flowering plants in the family Malvaceae. It comprises several hundred species, including both herbaceous plants and shrubs. Hibiscus flowers are known for their large, colorful petals and prominent stamens.
Comparison with Hibiscus:
The correct answer to the given question is option A, valvate aestivation in Calotropis. This is because hibiscus exhibits twisted aestivation, where one sepal or petal overlaps the adjacent one in a whorl. This arrangement is different from the valvate aestivation seen in Calotropis.
Therefore, the correct answer is option A, valvate aestivation in Calotropis.
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In _____ aestivation, sepals or petals in a whorl just touch one another at the margins, without overlapping, as is found in _____ .a)valvate, Calotropisb)Valvate, Hibiscusc)twisted, Calotropisd)twisted, HibiscusCorrect answer is option 'A'. Can you explain this answer?
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