Inflorescent is a botanical term that refers to a group or cluster of flowers arranged on a stem. There are several synonyms for the word inflorescent, such as flower cluster, flowering head, flowering spike, and raceme. A flower cluster is a group of flowers that are borne on the same stalk, whereas a flowering head is a dense cluster of flowers that are arranged in a single, compact unit. A flowering spike is a narrow, elongated cluster of flowers that are arranged along a central stem. Finally, a raceme is a type of flower cluster that consists of a main stem with individual flowers that develop along lateral branches.