Rubus pectinellus, commonly known as atibulnak,[1] [2] is a species of brambles in the rose family. It is native to Japan, southern China, Taiwan, and the Philippines. It usually grows in forests and valleys at elevations of 700to.[3] Atibulnak fruits are edible, either raw or cooked, and have a pleasant subacid flavor. The leaves are also eaten as a vegetable in the Philippines.[4] [5]
Atibulnak is a small trailing woody shrub, usually around 0.5to long. The leaves are either heart-shaped or with three lobes and have a rough and hairy texture with serrated margins. The leaves are around 3to in diameter. They are borne alternate on the stems. Both the leaves and the stems are covered with small spines. It has white flowers around 2cm (01inches) in diameter. These bear fruits around 1.4to in diameter which turn bright red when ripe.[1]