Which is this spider lily?

Got this from a local garden friend. Would like to know which genus/species this belongs.

http://davesgarden.com/pf/adv_search.php?searcher%5Bcommon%5D=&searcher%5Bfamily%5D=Amaryllidaceae&searcher%5Bgenus%5D=Hymenocallis&searcher%5Bspecies%5D=&searcher%5Bcultivar%5D=&searcher%5Bhybridizer%5D=&search_prefs%5Bsort_by%5D=rating&images_prefs=with&Search=Search It could be one of several of these.

Peruvian Daffodil..related to the amaryllis.

Hymenocallis occidentalis I think

http://www.shieldsgardens.com/amaryllids/Hymenocallis.html

wallaby1
Thank you so much for the name. I have the same plant the that was name less and now I have the name.
Kaleem

That's OK gumlla, it could be another, but that one has blue green leaves and looks to be more widely grown. The next page shows some more, not quite a match.

http://www.shieldsgardens.com/amaryllids/Hymenocallis2.html