Polycage

The Polycage is a flora species found in Subnautica: Below Zero.

Appearance
The Polycage is mostly dark purple in color, with blue stripe patterns on its branches.

It has a very peculiar appearance: a polyhedral structure sitting on top of a thick stalk rooted to the sea floor. Each vertex of said structure sports a large glowing orb, sometimes accompanied with small tentacle-like structures.