1. resembling or having the characteristics of a thallus; lacking distinct stems, leaves, and roots
Usage: botanical

Examples

• The thalloid liverwort spread across the moist rock surface.
• Lichens have a thalloid body structure rather than typical plant organs.
• The botanist identified the specimen as having a thalloid growth form.
• Many algae exhibit thalloid characteristics in their body plan.
• The thalloid gametophyte lacks the complex structure of higher plants.