General Terms:
* Tropical plants: This is a broad term, but many tropical regions are hot and humid.
* Rainforest plants: Rainforests are known for their hot, humid environments.
* Humid-loving plants: This is a more general term, but it describes plants that thrive in moist conditions.
More Specific Terms:
* Hydrophytes: These are aquatic plants that grow in water or very wet environments.
* Hygrophytes: These are plants adapted to living in humid, moist conditions.
* Mesophytes: These are plants that prefer moderate conditions, but can tolerate some humidity.
Other Considerations:
* Specific location: For example, you might call plants growing in a swamp "swamp plants."
* Plant type: You might call plants growing in a hot, humid environment "tropical ferns," "rainforest orchids," or "tropical vines."
Ultimately, the best term to use will depend on the specific context and the plants you are discussing.