in botany, a genus of the icosandria pentandra clas. The cup is divided into five parts; the flowers consists of one leaf; the capsule or seed-vessel has five cells; and the flower-cup rests on the top of the fruit. There are three species of the aizoon, viz. the canariense, the hispanicum, and the paniculatum, which last is a native of Africa. This plant resembles the sedum or house-leek.