Roots of which of the following species contain valuable alkaloids that are useful in medicine?
Rauwolfia serpentina is Serpgandha in Hindi. Reserpine is an alkaloid first isolated from R. serpentina and was widely used as an antihypertensive drug. Asparagus officinalis is Shatavari or a vegetable. Emblica officinalis is Indian Gooseberry or Amla in Hindi; Helianthus annuus is Sunflower.
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