flower cluster

Types:

raceme

usually elongate cluster of flowers along the main stem in which the flowers at the base open first

thyrse, thyrsus

a dense flower cluster (as of the lilac or horse chestnut) in which the main axis is racemose and the branches are cymose

panicle

compound raceme or branched cluster of flowers

Type of:

inflorescence

the flowering part of a plant or arrangement of flowers on a stalk