Choose the correct answer from the options given below :
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\textbf{Pharmacognosy: Time of Collection.} The stage of plant growth and the time of year significantly influence the concentration and quality of medicinal constituents in plants. Proper timing of collection is crucial in pharmacognosy to ensure the potency and efficacy of the derived homeopathic mother tinctures.
The correct matching of the homeopathic drugs in List I with their ideal season for collection in List II is as follows, based on pharmacognostic considerations for optimal medicinal properties:
\begin{itemize}
\item Chamomilla (A): The flowering tops are typically collected when in full flower (III) for maximum active constituents.
\item Euphrasia (B): The whole plant, especially the aerial parts, is usually collected during the second year of growth (I) or when the plant is in flower.
\item Chelidonium (C): The whole plant, or sometimes just the fresh flowering herb, is generally collected before flowering (IV) or at the beginning of flowering when the sap content is high.
\item Belladonna (D): The leaves are usually collected during the beginning of flowering (II) when the alkaloid content is optimal. The roots are typically collected in the autumn after the berries have ripened. Considering the options, the collection of leaves is implied here.
\end{itemize}
Therefore, the correct combination is (A)-(III), (B)-(I), (C)-(IV), (D)-(II).
