A cluster flower is a type of inflorescence, which is the arrangement of flowers on a stem. The five crossword solutions for the term cluster flower are CYME (4 letters), CATKIN (6 letters), RACEME (6 letters), UMBEL (5 letters), and SPATHE (6 letters). A cyme is a type of inflorescence in which the central flower blooms first, followed by the lateral flowers. A CATKIN is a type of inflorescence in which the flowers are arranged in a spike-like structure. A raceme is a type of inflorescence in which the flowers are arranged along a single axis. An umbel is a type of inflorescence in which the flowers are arranged in a flat-topped cluster. Finally, a spathe is a type of inflorescence in which the flowers are arranged in a large bract.