White Beach Spider Lily at Butterfly park "Vlinders aan de Vliet", Leidschedam

"Hymenocallis littoralis" or the Beach Spider Lily is a plant species of the genus "Hymenocallis", with large white flowers. The plant bulb is 7-10 cm in diameter. With age, the bulb develops a neck that reaches 4-5 cm in diameter. The flowers are large, white, vanilla scented, and sessile.