proembryo

About 0.02 uses per million words.

Meaning

1. noun A cluster of cells in the ovule of a fertilized flowering plant that has not yet formed into an embryo.
2. noun The protonema of mosses.

Similar words

celled embryo polyembryo plantule pseudoembryo seed embryoblast typembryo pseudembryo monoembryony

Often followed by

of is and stage with in divides development or