Solanum trilobatum - Mavaeng,, a native Thai folk medicine. creeping or bushy plant with thorns. Each oveal leaves have 2-5 curves which may be smooth or may has small thorns on the main line of the leaves. Its flowers are purple with yellow pollen. Its gain is small and round. It is green with small stripes when being young, and red when getting old. It has a expectorant effect particularly in cases of cold, flu acute and chronic bronchitis. Active ingredients: solasodine, solanine