Liriope tetraphylla has marginal tentacles, a manubrium, and gonads that are all green or rose-red in colour.

[2] The manubrium of Liriope tetraphylla are extend from a long, gastric pendicule.

There are four perradial marginal tentacles that are hollow and long and have nematocyst rings.

[2] Liriope tetraphylla lives in the epipelagic zone, remaining there throughout its life.

It occurs in warm and tropical marine environments, floating in massive shoals, normally near to the surface.