Definitions for "Primordia"
The most rudimentary form or stage of development.
A group of cells that represents the initial stages in development of a plant organ. s primordium
organ or tissue in its earliest recognizable stage of development.
Keywords:  meristem, apical, flanks, buds, outer
Primordia are structures that are formed on the flanks (outer margin) of the apical meristem. Typical primordial structures are leaf primordia, flower buds, and lateral buds.