Question
Discuss how evidence from Phytochemistry can help in solving problem of plant taxonomy by citing an example.
Answer :
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Phytochemistry provides valuable evidence for plant taxonomy by revealing the distribution of chemical constituents that are genetically controlled and relatively stable within taxa. Since secondary metabolites such as alkaloids, flavonoids, terpenoids, phenolics and glycosides are often characteristic of particular groups, their presence or absence can be used as taxonomic markers. These chemical characters supplement morphological data, especially in cases where external features are reduced, modified or show convergent evolution due to similar ecological pressures. In plant ecology and taxonomy, phytochemical evidence helps in understanding
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