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In samara fruits, wings for dispersal are modified outgrowths of the pericarp. Which of the following winged fruits is/are not samara?
This is a multiple-correct question, and the correct options are (a) and (c). In Shorea and Dipterocarpus the wings develop from the persistent, enlarged calyx (sepals), not from the pericarp, so these winged fruits are not samaras. Fraxinus and Holoptelea have wings formed from the pericarp, so they are true samaras.
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