樹名。其子似沒石子，生必三顆同蔕，以喻惑業苦三者同時具足。見翻譯名義集。楞嚴經曰：「佛告阿難：一切眾生，從無始來，種種顛倒，業種自然，如惡叉聚。」參照次項。（CBETA註：即參照惡叉聚項）
akṣa, 'a seed of which rosaries are made (in compound words, like Indrāksha, Rudrāksha); a shrub producing that seed (Eleocarpus ganitrus).' M. W. It is called the 惡叉聚 because its seeds are said to be formed in triplets, and illustrate the simultaneous character of 惑行苦 illusion, action, and suffering; another version is that the seeds fall in clusters, and illustrate numbers, or numerous; they are also known as 金剛子.