Belongs to the genus Liliaceae and is a perennial herb; its stem is not obvious, its roots are hypertrophic and succulent, its leaves are slender, growing in clusters, flowering in summer and autumn, with a flowering period of more than half a year. The Long Yellow Daylily used for consumption must be taken before the flowers bloom to maintain its beautiful color. At present, there are dozens of species cultivated in the country, with Hualien and Taitung as the main producing areas. Most of the Long Yellow Daylily used for viewing are slightly toxic, so try not to eat the Long Yellow Daylily in your garden.