Anatomy and Morphology of Plants
Leaves become modified into spines in
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Single Choice
Whorled, simple leaves with reticulate venation are present in which of the following plants?
ACalotropis
BAzadirachta
CHibiscus
DAlstonia
Correct Answer
Solution
In Alstonia, the simple leaves are elliptical, ovate, linear or lanceolate and wedge-shaped at the base. The leaf blade is dorsiventral, medium-sized to large and disposed oppositely or in a whorl and with entire margin. The leaf venation is pinnate, with numerous veins ending in a marginal vein.
Thus, the correct answer is option D.
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