Lilium longiflorum, often called the Easter lily, is a species of plant endemic to both Taiwan and Ryukyu Islands (Japan). Lilium formosanum, a closely related species from Taiwan, has been treated as a variety of Easter lily in the past. It is a stem rooting lily, growing up to 1 m high. It bears a number of trumpet-shaped, white, fragrant, and outward-facing flowers. This species, along with most other true lilies, are highly toxic to cats.