Varuna leaf when applied topically may cause blistering when used on a sensitive skin in humans.(2)
(1,2) https://www.herbal-supplement-resource.com/varuna-herbs.html)
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Description
Varuna is a deciduous tree of moderate size cultivated throughout India especially along streams and rivers. It is found in abundantly in Assam, Bengal, Kerela and Madhya Pradesh.The bark of the Varuna tree is smooth and brown while its branches have white patches tinged with purple and yellow.The leaves of the varuna are trifoliate,having oval leaflets. The flowers are aromatic with yellow or cream color. The fruits are small and ovoid, resembling a lemon and turn red color on maturing .The flowers bloom in March and fruits in June.The main parts of varuna tree used for medicinal purpose are bark, root bark, and leaves.It is widely used in Ayurveda.