The correct option is B Apocyanaceae
Rauwolfia serpentia, a species of a
flower in the Order Gentianales of the milkweed Family Apocynaceae, also known
as the Indian snakeroot or devil pepper, native to India subcontinent and East
Asia. It is a perennial under shrubs widely distributed in India. It is a safe
and effective treatment for hypertension. Early research shows that Indian
snakeroot can reduce anxiety, blood pressure and helps in preventing insomnia.
So, the correct answer is option D.