Sparrow's tongue is the nickname for this leaf, and once you see it dried you understand why: small, sharp, tightly pointed, and a bright, almost electric green. The name Woojeon means "before it rains," a reference to picking the tea ahead of the rainy season while the buds are still tender. It grows on Jejudo, a volcanic island off Korea, at 75 to 200 metres, where the plants take in salty sea air along with fertile volcanic soil. Jejudo has picked up a rare set of UNESCO recognitions over the years - Biosphere Reserve status in 2002, World Heritage listing in 2007, and Geopark status in 2010 - evidence of how distinctive the local environment is. The leaf grade is Flowery Orange Pekoe. In the cup it pours pale and clear, closer to jade than green, and the aroma leans toward buttery popcorn. Taste-wise, expect a clean, grassy base with lemon and orange brightness up front and a nutty, buttery finish that lingers; the body is thicker than most delicate greens. Brew it at 75-80 degrees for two to three minutes, and drink it plain or with a touch of lemon if you want extra lift. Keep the leaves in an airtight container, away from sunlight and anything strongly scented, since green tea picks up odours easily. Like other green teas, it carries plenty of polyphenols, catechins and flavonoids, compounds long associated with antioxidant activity, though that is tradition and early research rather than a guarantee of any particular health effect.