01 / Hidarimaki-gaya
Left-spiral torreyas are thought to have beenplanted widely for oil paid to Koyasan.
Hidarimaki-gaya is a variety of torreya whose seeds carry left-handed spiral lines. The town's explanation says torreya oil, which does not freeze in winter, was prized at Koyasan for lamps, and that seeds and oil were paid as tribute. Thirteen trees in the town became a prefectural Natural Monument in 2019.
- Prefectural designation, 7 February 2019
- Thirteen trees designated
- Seeds 3.3 to 5 cm long


