Identifying the type of mint. Just to confuse the picture even more, there is a chocolate mint which has purplish stolons. There are, in fact, hundreds of varieties of mint, some of which are commercially grown for oil extraction or for leaf drying, and a lot of which haven't even been given names, being known as Mint 341, etc.
Full Definition of WATERCOLOR. 1. : a paint of which the liquid is a water dispersion of the binding material (as glue, casein, or gum). 2. : the art or method of painting with watercolors. 3. : a picture or design executed in watercolors.
The important distinction between them is that the watercolorist applies the paint in transparent washes and uses the paper as the source of all whites; the gouache painter mixes colors directly with white paint to create each of the hues and tints and completely covers the surface of the paper resulting in a thick velvety surface texture.