Ruellia asperula (syn. Stephanophysum asperulum Mart. & Nees) is a medicinal plant native to eastern Brazil and grows in Caatinga vegetation and Cerrado vegetation. Flowers, leaves, and roots of this plant are usually macerated and used to treat asthma, bronchitis, fever, flu, and uteral inflammation.
References
External links Floral Traits and Pollination Systems in the Caatinga, a Brazilian Tropical Dry Forest by Isabel Cristina Machado and Ariadna Valentina Lopes Ruellia asperula Ruellia asperula