Binomial Name – Evolvulus alsinoides
It has a natural pantropical distribution encompassing tropical and warm-temperate regions of Australasia, Indomalaya, Polynesia, Sub-Saharan Africa and the Americas.
It is a brain Tonic, alterative, febrifuge, vermifuge, and anti-inflammatory. Evolvulus is effective nootropic agent.
It is mainly indicated in loss of memory, sleeplessness, chronic bronchitis, asthma, and in syphilis.
It is also used in the treatment of epilepsy, leukoderma, cuts, and ulcers.
The species inhabits a wide range of habitats, from marshland and wet forests to deserts.
A number of varieties and subspecies are recognised. It may become a weed in some situations.