Alagaw is a tree that is only found in the Philippines. It grows wild on Mt. Banahaw and in many other places in the Philippines. For many years now, Alagaw has been considered a drug in the Philippines, being used to loosen phlegm and relieve coughs. It is also claimed to benefit tuberculosis and headaches. Its other properties are carminative, parasiticide, sudorific, and pectoral. Alagaw is one of the great medicinal herbs of the Philippines.