Hymenocallis littoralis (Jacq.) Salisb.

Bulb to 10 cm wide. Leaves stalkless, tapering at the base, evergreen. Flowers 6-11, white, fragrant; spring. Perianth with a straight tube about 15 cm long. Corona about 3 cm long, flaring. Ovules 4-5 per chamber.

Tropical America

Source: Spencer, R.; Hay, A.; Ashburner, W. (2005). Amaryllidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

Distribution map
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Asparagales
family       Amaryllidaceae
genus        Hymenocallis Salisb.