悬钩子属（学名：Rubus）是蔷薇科蔷薇亚科的一属植物，悬钩子又总称为木莓。

落叶半灌木；茎常有刺；单叶掌状分裂或三数复叶；白色花腋生；红色、暗红色、黄色或黑色圆形浆果，夏秋成熟。

Rubus is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, with 250–700 species. Raspberries, blackberries, and dewberries are common, widely distributed members of the genus. Most of these plants have woody stems with prickles like roses; spines, bristles, and gland-tipped hairs are also common in the genus. The Rubus fruit, sometimes called a bramble fruit, is an aggregate of drupelets. The term "cane fruit" (or "cane-fruit") applies to any Rubus species or hybrid which is commonly grown with supports such as wires or canes, including raspberries, blackberries, and hybrids such as loganberry, boysenberry and tayberry.