Torreya nucifera is a slow-growing, coniferous tree native to southern Japan and to South Korea's Jeju Island. It is also called kaya (榧) Japanese torreya or Japanese nutmeg-yew.
It grows to 15–25 m tall with a trunk up to 1.5 m diameter. The leaves are evergreen, needle-like, 2–3 cm long and 3 mm broad, with a sharply spined tip and two whitish stomatal bands on the underside; they are spirally arranged, but twisted at the base to lie horizontally either side of the stem. It is subdioecious, with ...