black pepper vine - piper nigrum - green drupes with leaves in kerala, india

agriculture asia ayurveda ayurvedic black cuisine cultivation drupes environment farm farming flavor folk food fruit fruits green greenery herb horticulture india indian ingredient kerala keralan leaves long malabar medicinal medicine munnar nigrum nutrition pepper peppercorn piper piperaceae piperine pippali plant plantation plants production seasoning seeds spice spices thekkady traditional unripe vine vines