fresh green leaves of tea plant - camellia sinensis - in tea plantation over hills

agriculture antioxidant asia asian assam beverage black botany bud buds camellia close cultivation culture darjeeling drink environment estate farm farming flora fresh garden green greenery growing harvest health healthy herb hills horticulture india indian kerala leaf leaves malabar mountains munnar natural nature nilgiri nutrition nutritious plant plantation production raising rich shrub sinensis tea teaceae tree tropical wayanad weed