Hydnophytum radicans

About

Hydnophytum moseleyanum is a plant in the coffee and gardenia family Rubiaceae native to the Maluku Islands and New Guinea. It is an epiphyte that inhabits mangrove forest and rainforest, and it forms a symbiotic relationship with certain species of ants. It was first described in 1884 by the Italian botanist Odoardo Beccari, and published in his book Malesia.

Summary from Wikipedia