Hymenocallis tridentata, the Florida spider-lily, is a bulb-forming herb native to southern Florida, to about as far north as Vero Beach.Biota of North America Program, Hymenocallis tridentata The species grows in marshes and wet prairies very close to sea level. It is similar to H. rotata, but somewhat smaller.Small, John Kunkel. 1933. Manual of the Southeastern Flora 323.Flora of North America vol. 26, p 290., Hymenocallis tridentata
Hymenocallis tridentata is a bulb-forming perennial. Leaves are narrowly linear, up to 50 cm long, deep green. Scape is up to 30 cm tall, with an umbel of 2 flowers. Flowers are white, fragrant; stamanial cup up to 7 cm across, with uneven teeth along the edge.Moldenke, Harold Norman. 1967. Plant Life 23: 61, Hymenocallis traubii
References
External links photo of herbarium specimen at Missouri Botanical Garden, holotype of Hymenocallis traubii, synonym of Hymenocallis tridentata