ray flower PO:0025331 舌状花 (Japanese, exact) PO_GIT:380 plant_anatomy rwalls PO_GIT:585 flor del rayo (Spanish, exact) ray floret (exact) A small pistillate flower (PO:0025599) on the margin of a head-type (capitulum) inflorescence (PO:0009049). Found in the Asteraceae, surrounding the disk flowers (PO:0025332). Usually zygomorphic, and different in form from disk flowers. Usually pistillate but sterile. 2011-09-26T10:45:11Z pistillate flower