thallogen

noun

thal·​lo·​gen

ˈthaləjə̇n

plural -s

: a plant in which growth is not restricted to an apical growing point : thallophyte compare acrogen

thallogenic

¦thalə¦jenik

adjective

or thallogenous

thəˈläjənəs

Word History

Etymology

thall- + -gen

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