Beach spider lily (Hymenocallis littoralis) is plant species in Amaryllidaceae, herbaceous perennial, up to 80 cm tall, with bulbs 7-10 cm in diameter and over time developing a neck 4-5 cm in diameter. The leaves are elongated, flat, thick, up to 80 cm long and up to 3 cm wide.
The flowers are large, white, vanilla-scented, and in sticky clusters. The flower awns are attached to staminal cups. Each flower tube is up to 17 cm long or longer.
Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Liliopsida
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Tribe: Hymenocallideae
Genus: Hymenocallis
Species: Hymenocallis littoralis