Botanical name : Evolvulus alsinoides (Linn.) Linn
Family : Convolvulaceae
SANSKRIT SYNONYMS
Harikranta, Vishnukranta
AYURVEDIC PROPERTIES
Rasa    : Katu, Tikta  
Guna   : Rooksha, Teekshna
Virya   : Ushna
PLANT NAME IN DIFFERENT LANGUAGES
English  :  
Hindi  :  Syamakrantha,Vishnukrantha
Malayalam :  Vishnukranthi,Krsnakranthi
PLANT DESCRIPTION
A small perennial herb having a woody root stock from where the branches arise. Leaves –simple, alternate, elliptic-oblong. Stem and leaves are clothed with small hairs; flowers bluish in color, seen in pairs or sometimes solitary, axillary; fruits  globose, 4-valved drooping capsules.
MEDICINAL PROPERTIES
The plant pacifies vitiated pitta, asthma, falling and graying of hair, general debility and memory loss.
Parts used: whole plant