adjective Botany, Mycology.
Examples from the Web for thalloid
In thalloid forms fimbriate or lobed margins or outgrowths from the surface lead to the same result.
The protonema forms a flat, lobed, thalloid structure attached to the soil by rhizoids, and the plants arise from marginal cells.
The spore on germination forms a short filament which soon broadens out into the thalloid protonema.
One thalloid form has already been described in Pellia (fig. 2).