In some cases there is only a network of filament-like cells, the spaces between which are not filled with parenchyma, giving a skeleton appearance to the leaf, as in Ouvirandra fenestralis (Lattice plant).

LATTICE LEAF PLANT, in botany, the common name for Ouvirandra fenestralis, an aquatic monocotyledonous plant belonging to the small natural order Aponogetonaceae and a native of Madagascar.

In the interior rivers is found the curious and beautiful lace-leaf plant (Ouvirandra fenestralis), with an edible tuberous root.