''Staurogyne repens'' is a plant in the family

Acanthaceae Acanthaceae () is a Family (biology), family (the acanthus family) of dicotyledonous flowering plants containing almost 250 genera and about 2500 species. Most are Tropics, tropical Herbaceous plant, herbs, shrubs, or twining vines; some are epip ...

, native to Brazil and Guyana. It was formally known as ''Ebermaiera repens''. It is widely used as a tropical aquarium plant, where it grows as a bright green carpet at the bottom of the tank.

References

Flora of Southern America Aquatic plants repens {{Acanthaceae-stub