Pontederiaceae

Genus: Heteranthera
Species: reniformis
Author: Ruiz & Pav.
Elevation: Up to 3000m
Avg. Height: 1-9cm

Source:
Elevation: http://www.tropicos.org/Name/26100022?tab=specimens
Height: http://eol.org/pages/1117867/details
Photo: http://eol.org/pages/1117867/media