Argyreia nervosa, Argyreia populifolia (Elephant creeper,)

Scientific name- Argyreia populifolia
English name-Elephant creeper,
Tamil name-kakkatan, katar-palai, samuttira-p-pala

Sanskirt name-samudraphalaka, vriddadaru, Vidhara, murva,-

Its use in traditional medicine in Sri lanka is reported in "Lanka Chronicle" as: "Various parts of the plant, including the latex, are used externally on the gums and wounds. The root of this pounded and boiled in coconut milk applied with excellent results to inflammation or swelling after dog bite. It is used also in cases of mad dog bites in order to prevent hydrophobia." The plant is specific and native to Sri Lanka.

Domba(Calophyllum inophyllum (Alexandrian Laurel)

Scientific name-Calophyllum inophyllum 
English name-Alexandrian laurel
Tamil name-Dommakottai / Punnaigum / Punnai
Sanskirt name-Punnaga / Surangi

The fruit has a hard shell and the kernel yields an oil which is used as a medicine for rheumatic pains and is also one of the five kinds of oil known as Pas-tel . In some parts of India the oil has a reputation as a cure for Scabies. The bark of the tree is used as an antiseptic; internally, preparations of the bark are used in cough.

Propagation:-Seeds 

Bombu (Symplocos cochinchinensis )

Scientific name- Symplocos cochinchinensis
English name-

Tamil name-Kambli-vetti
Sanskirt name-Lodhra

Twigs of this plant is used as `toothbrushes' in rural Sri Lanka, in the same way as `Karanda' twigs.
 medicinal uses It is claimed to be an anti-diabetic tonic. `kashaya" made of its bark is used for inflammation, asthma, cough, ulcers, skin diseases, arthritis, leucorrhoea, diarrhea, and skin discoloration. Antibacterial activity of the plant extract has also been reported