Four types of aggregate fruits include etaerios of achenes, follicles, drupelets, and berries. The fruit consists of one to four drupelets or achenes. Botanically it is termed an aggregate fruit, composed of small drupelets. Fruits are hairless, the drupelets falling off separately. Bramble fruits (such as the blackberry or the raspberry) are aggregates of drupelets. The "Rubus" fruit, sometimes called a bramble fruit, is an aggregate of drupelets.