This image provided by the Missouri Botanical Garden shows a Camellia sinensis flower blooming on a plant. The plant's leaves are used to make white, green, black and oolong teas. (Missouri Botanical Garden via AP)
This image provided by the Missouri Botanical Garden shows a small Camellia sinensis plant. The plant's leaves are used to make white, green, black and oolong teas. (Missouri Botanical Garden via AP)
This image provided by the Missouri Botanical Garden shows a hedge of Camellia sinensis plants. The plant's leaves are used to make white, green, black and oolong teas. (Missouri Botanical Garden via AP)