Agathi --- Botanical name is Sesbania grandiflora.
Two types
1) White Agathi
2) Red Agathi
Useful parts : Leaf, flowers, barks and roots.
Leaf:
1) 2 to 3 drops of leaf juice dropped in the nostrils reduce intermittent fever.
2) 1 part juice and 5 parts honey mixed well and externally applied in the head it cures sinuses in children. The same in the nostrils reduce headache.
Flower:
1) The juice of the flowers acts as a great medicine in eye diseases.
Bark:
The bark is made as dication (kudineer) as per the rules and given for viral fever.
Root bark:
The dication of this will cure white discharge, dryness of mouth, burning sensation of eyes, mouth, ear, nose and extrimities.
Red agathis root bark along with oomathai root grinded well and externally applied reduces the swelling in arthritis.
Reference:
Materia medica vegetable section.