Small-sized leaves usually hug the ground and have a short petiole stem;
however, large leaves can have a petiole up to 20cm long. When plants are
grown in the shade, they tend to have large leaves and very long petioles. This
Sometimes, gotu kola is mistaken for Swamp Pennywort (Centella cordifolia);
as its name suggests, it does like to grow in damp places. The leaves of this
species can be slightly longer than broad, with sinuate or faintly crenate
margins and minute, purple flowers.