(adj) having stalked flowers along an elongated stem that continue to open in succession from below as the stem continues to grow, Example:lilies of the valley are racemose
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
a. [ L. racemosus full of clusters. ] Resembling a raceme; growing in the form of a raceme; as, (Bot.) racemose berries or flowers; (Anat.) the racemose glands, in which the ducts are branched and clustered like a raceme. Gray. [ 1913 Webster ]