Macrotyloma uniflorum is a legume native to tropical southern Asia, commonly grown for horse feed and occasionally for human consumption and in Ayurvedic cuisine. Horse gram is grown in Andhra Pradesh, Bihar, Chhattisgarh, Himachal Pradesh, Jharkhand, Karnataka, Madhya Pradesh, Maharashtra, Orissa, Tamil Nadu, Uttarakhand, Jammu and Kashmir, and West Bengal in India, as well as in Malaysia, Sri Lanka, the West Indies