Pterocarpus marsupium Roxb. (Fabaceae)
Indian Kino Tree
Bijaka, Pitasara, Pitashalaka
Found commonly in hilly regions throughout the Deccan Peninsula, and extending to Gujarat, Madhya Pradesh, Uttar Pradesh, Bihar and Orissa.
A moderate-sized to large deciduous tree. The bark is grey, rough, longitudinally fissured and scaly. The older trees exude a blood red gum-resin. The leaves are imparipinnate: the leaflets are oblong; the flowers occur in large panicles, they are yellowish and fragrant; the pods are orbicular, flat, winged.
Liquiritigenin and isoliquiritigenin.
An aqueous infusion of the wood is said to be of use in diabetes. Tests on mice and rabbits with alcohol and aqueous extracts of the heartwood are said to have shown hypoglycemic action, probably by hindering the absorption of glucose in the intestine.