Zamia portoricensis, also known in Puerto Rican Spanish as marunguey, is a species of plant in the family Zamiaceae. It is endemic to the Susúa State Forest region of western Puerto Rico.

Z. portoricensis is part of the Zamia pumila species complex.

Mutualism

The beetle Pharaxonotha portophylla is in an obligatory mutualistic relationship with Zamia portiricensis, living and breeding in male cones and consuming pollen and cone tissues while serving as a pollinating vector by transferring pollen to female cones.