mondo grass

[ mon-doh ]
/ ˈmɒn doʊ /

noun

any of several plants belonging to the genus Ophiopogon, of the lily family, native to western Asia, especially O. japonicus, having grasslike leaves and lavender or white flowers.
Also called lilyturf.

Origin of mondo grass

< New Latin (1763), an earlier genus name, of unexplained orig.