quassia indica herbal ayurvedic medicine in kerala, also known as niepa bark tree

agriculture also alternative ayurveda ayurvedic azadirachta background bark bitter branch citrus cure disease foliage fresh fruit green growth healing health healthy herb herbal herbs india indian indica insecticide isolated kerala known leaf margosa medicinal medicine medicines natural nature neem niepa parasites pesticide plant quassia remedy seed seeds spa tangerine texture tree twig wellness