In Chinese records, this horseshoe bat has light brown back fur and a broad noseleaf. Small numbers have been recorded roosting in caves and mines in southern China.
The individuals treated as R. siamensis in the Chinese account have light brown back fur, buff-colored belly fur, and a broad noseleaf with a notch in the middle.
Chinese records describe small groups roosting in caves and mines; they sometimes share cave roosts with other bat species.
An extinction-risk assessment has not been added yet.