MEANING: noun: A dangerously seductive woman.

ETYMOLOGY: In German legend Lorelei was a nymph who sat on a rock of the same name on the Rhine river. Her songs lured sailors to their destruction on the rock. Earliest documented use: 1878. Also see siren, Mata Hari, and Circe.

LOBELEI - two of them.
( Lobelia /lɵˈbiːliə/ is a genus of flowering plants comprising 415 species, with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions. (Wikipedia) )

LOSELEI - I can't find the flower garland they gave me on Oahu!