exosporic

English

Etymology

.

Adjective

exosporic (not comparable)

1. Relating to the development of gametophytes outside the spore wall.

   Antonym: endosporic

   • 1984, Scagel, Robert Francis, chapter 10, in Plants, an evolutionary survey‎^[1], page 286:

     Another feature unique to embryophytes, and generally associated with heterospory, is endosporic development of gametophytes. In many homosporous plants, the spore germinates and grows into a gametophyte completely outside the spore wall. This is called exosporic development.