Tetraneuris herbacea is a rare species of flowering plant in the aster family known by the common names eastern fournerved daisy, lakeside daisy, fournerved starflower, and Manitoulin gold. It is nati

In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a dispersal mechanism for the achenes that con