dichasium

noun, plural di·cha·si·a [dahy-key-zhuh, -zhee-uh, -zee-uh] /daɪˈkeɪ ʒə, -ʒi ə, -zi ə/. Botany.

1. a form of cymose inflorescence in which each axis produces a pair of lateral axes.

noun plural -sia (-zɪə)

1. a cymose inflorescence in which each branch bearing a flower gives rise to two other flowering branches, as in the stitchwortCompare monochasium