characteristics. Although these groups are not cladistically supported by genetic studies, these groupings are nonetheless convenient for horticultural purposes.

Tropical butterworts form somewhat compact winter rosettes composed of fleshy leaves or retain carnivorous leaves year-round. They are typically located in regions where water is least seasonally plentiful, as too damp soil conditions can lead to rotting. They are found in areas in which nitrogenous resources are known to be in low levels,