Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most.
The correct matching of the plant products, species, and plant parts is as follows:
- P - Liquorice (iii - b): Liquorice is derived from the root of {Glycyrrhiza glabra}.
- Q - Quinine (i - d): Quinine is extracted from the bark of {Cinchona calisaya}.
- R - Henna (ii - a): Henna is obtained from the leaves of {Lawsonia inermis}.
- S - Saffron (v - c): Saffron is derived from the flower (stigmas) of {Crocus sativus}. Thus, the correct option is ( {P - iii - b, Q - i - d, R - ii - a, S - v - c} ), corresponding to option (A).