Evolvulus alsinoides L.

Description:

Family: ConvolvulaceaeLocal name: Vishnu kranthamDistribution: Distributed through out India especialy in tropical regions. This is the normal variety of Evolvulus, A prostrate viry pubescent herb with blue flowers. Leaves small, lanceolate, oblong, entire distichous; Flowers soitary axilary, sepals 5 subequal, corolla rotate, limb plicate, stamens 5 exerted, ovary 2 celled, ovules 4 styles 2, fruit a capsule.It is used as hair and nerve tonic. The sky is blue, the sea is blue and lord Vishnu who is all pervading is also blue as per the Hindu mythology, It is because of the pretty blue colored flowers the plant is named as Vishnu krantham.