Lightvine

"We just needed to get you away from that Lightvine that rings your village. Its glow is... annoying.

-Antroz, to Pohatu and Photok.

A Lightvine is a plant that gives off light

There were two varieties of Lightvines, one that grew in Metru Nui and one in Karda Nui.

The Metru Nui variety was thin and gave a teal glow. The Karda Nui variety was thick and thorny. On Metru Nui it usually grew around the Archives. It was also wrapped around the Matoran villages to ward off Makuta and gave of a green glow. The Lightvine's bright light irritates Makuta which forces them to use other means of approach. On one occasion, the Makuta used Radiak to lure Pohatu and Photok away from the Lightvine.