Question:
The plants showing: hypogynous flower, valvate aestivation, and tricarpellary ovary are:
The plants showing: hypogynous flower, valvate aestivation, and tricarpellary ovary are:
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To identify flower types, always recall the floral formula and diagram for each family. Traits like aestivation and gynoecium structure are often family-specific.
Updated On: May 26, 2025
- Solanum, Hibiscus, Brassica
- Datura, Petunia, Vinca
- Pisum, Phaseolus, Crotalaria
- Nicotiana, Dolichos, Withania
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The Correct Option is A
Solution and Explanation
The question requires identifying plants with specific floral characteristics: hypogynous flower, valvate aestivation, and tricarpellary ovary from the given options. Let's evaluate each characteristic:
- Hypogynous Flower: In this flower type, the ovary is superior, meaning other floral parts are below it. This is common in dicots like members of the Brassicaceae and Malvaceae families.
- Valvate Aestivation: This arrangement occurs when the edges of petals or sepals meet without overlapping. It's typical in families like Malvaceae.
- Tricarpellary Ovary: Indicates an ovary composed of three fused carpels, often seen in the Brassicaceae (e.g., Brassica).
Now, we'll assess each given option:
- Solanum, Hibiscus, Brassica:
- Solanum: Part of the Solanaceae family, exhibits hypogynous flowers.
- Hibiscus: Belongs to Malvaceae, features valvate aestivation and a superior ovary.
- Brassica: In the Brassicaceae family, known for a tricarpellary ovary, also having hypogynous flowers.
- Datura, Petunia, Vinca: These plants belong to Solanaceae and Apocynaceae, where typical features vary less with the question.
- Pisum, Phaseolus, Crotalaria: Part of Fabaceae, with variations primarily showing hypogynous flowers.
- Nicotiana, Dolichos, Withania: Associated with varied characteristics and less aligned with all specified traits.
The correct answer is the set that logically fits all criteria: Solanum, Hibiscus, Brassica.
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