noun
- the plural form of protonema; thread-like structures that develop from moss spores and give rise to the mature moss plant
Usage: botanical; technical
Examples
- The protonemata emerged from the spores after several days in moist conditions.
- Botanists observed the green protonemata spreading across the culture medium.
- The development of protonemata is the first stage in the moss life cycle.
- Under the microscope, the branching protonemata resembled tiny green threads.
- The protonemata eventually produced buds that would become mature moss plants.