The silverleaf of Quel'Thalas has grown more lustrous in recent years, gaining a unique sheen that allows anyone to recognize it at a glance. Because of these changes, this new offshoot of silverleaf has become known as argentleaf.
Regularly found among other common foliage, it is a standard ingredient of many recipes and is thus highly sought after.
Herbs that have had plenty of resources (or some magical assistance) to grow and thrive beyond their normal means. Gathering them yields more resources than normal.