Perhaps Chlorophytum amaniense, though it lacks the central foliage colour. So perhaps a closely related species.
The following document contains a description of this plant's characteristics which you can use to compare with yours. It starts about halfway through the article. Philodendron martianum, incorrectly Philodendron cannifolium Mart., Philodendron martianum Engl., Exotic Rainforest rare tropical plants