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The calyx and corolla taken together are known as what?
AThe androecium
BThe gynoecium
CThe perianth
DThe receptacle
Answer & Solution
Correct answer: C. The perianth
1. The calyx is the whorl of sepals and the corolla is the whorl of petals.
2. Taken together they are known as the perianth, which forms the outer envelope of the flower.
3. The androecium is the sum of all the stamens and the gynoecium the sum of all the carpels, so both are reproductive rather than protective.
4. The receptacle is the stalk on which the whole flower sits.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 32 "Plant Reproduction", section 32.1 Reproductive Development and Structure_
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