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Question
Which one of the statement is wrong about family Compositae?
Which one of the statement is wrong about family Compositae?
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Solution
The correct option is C Hypogynous flower
Compositae family is now known as Asteraceae. Flowers of family compositae possess head or capitulum type of inflorescence. Head or capitulum also belongs to racemose type of inflorescence. It possess a flattened, convex main axis called as receptacle. This receptacle bears flowers in centripetal order. The whole inflorescence is surrounded by a whorl of bracts.
Syngenesious stamens are united at their anthers only and filaments are free. Such type of cohesion of stamens is observed in flowers of family compositae.
The plants of family compositae possess cypsela type of fruit. Such fruit is of dry, indehiscent and one seeded type. It It develops from an inferior, bicarpellary ovary.
Flowers of family compositae possess inferior ovary. Inferior ovary means the sepals and petals are above the ovary. Flower containing inferior ovary is said to be epigynous.
If sepals and petals are inserted below the ovary then such ovary is called as superior ovary and such flower is called as hypogynous. Hence, flowers of family compositae are epigynous and not hypogynous.
Therefore, the correct answer is option C.
Compositae family is now known as Asteraceae. Flowers of family compositae possess head or capitulum type of inflorescence. Head or capitulum also belongs to racemose type of inflorescence. It possess a flattened, convex main axis called as receptacle. This receptacle bears flowers in centripetal order. The whole inflorescence is surrounded by a whorl of bracts.
Syngenesious stamens are united at their anthers only and filaments are free. Such type of cohesion of stamens is observed in flowers of family compositae.
The plants of family compositae possess cypsela type of fruit. Such fruit is of dry, indehiscent and one seeded type. It It develops from an inferior, bicarpellary ovary.
Flowers of family compositae possess inferior ovary. Inferior ovary means the sepals and petals are above the ovary. Flower containing inferior ovary is said to be epigynous.
If sepals and petals are inserted below the ovary then such ovary is called as superior ovary and such flower is called as hypogynous. Hence, flowers of family compositae are epigynous and not hypogynous.
Therefore, the correct answer is option C.
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