What is protonema?
1 Answer
Jun 1, 2018
Protonema is defined as the primary filamentous thalloid stage of the gametophyte in mosses and liverworts.
Explanation:
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It is formed by germination of spores and is a branched filamentous structure. The protonema develops a lateral bud which further gives rise to the leafy stage in mosses.
Protonema are composed of two cell types- chloronemata and caulonemata.