Botanical name : Indigofera tinctoria Linn.
Family : Fabaceae
SANSKRIT SYNONYMS
Neelini
AYURVEDIC PROPERTIES
Rasa    : Tikta  
Guna   : Lakhu, Rooksha, Teekshna
Virya   : Ushna
PLANT NAME IN DIFFERENT LANGUAGES
English  :  Indian indigo
Hindi  :  Nil
Malayalam :  Nilamari Amri.
PLANT DESCRIPTION
Densely branching shrub grows up to 2 meters in height. Leaves are compound with 6-14 leaflets. Leaves are green with bluish tint. Tender branches are also bluish green colored. Flowers many, small and nearly sessile in spicate receme inflorescence. Fruits are cylindric pods, 2-3 cm long, greenish grey when young and dark brown on ripening. Seeds are 10-15 per pods.
MEDICINAL PROPERTIES
Plant pacifies vitiated pitta, hair fall, splenomegaly, epilepsy, nervine disorders, headache, cardiac ailments and in stray dog intoxication.
Useful part : whole plant.