Synonym > P. morindaefolia R. Br. ex Wt.
Family > Nyctaginaceae.
Habitat > Cultivated in gardens in Chennai and other places near the sea on both east and west coasts.
English > Lettuce tree.
Siddha/Tamil > Chandi keerai, Leechai kottai keerai, Nachu Kottai keerai.
Action > Fresh leaf—diuretic, used in inflammations (of elephantoid nature in legs and other parts). Root—purgative.
The plant gave octacosanol, beta- sitosterol, alpha-spinasterol, beta-si- tosterol-b eta-D-glucopyranoside, dul- citol and quercetin.
Karkata, Karkataakhya, Kuli- rashringaaya, Kuliravishaanikaa, Vakraa, Vishaani. Ajashringi (also equated with Gymnema sylvestre).
Unani > Kaakraasingi, Kakar.
Siddha/Tamil > Karkatagasingi.
Action > Gall—astringent, expectorant, antiasthmatic, antidysenteric, styptic.
Key application > In cough, bronchitis and dyspnoea. (The Ayurvedic Pharmacopoeia of India.)
The tetracyclic triterpenes, pistaci- gerrimones A, B and C have been isolated from the galls produced on the leaves.
Alpha-pinene 21.8, beta-pinene 16.2, alpha-phellandrene 15.5 and delta-carene 11% are major constituents of the essential oil extracted from galls. The oil is reported to exhibit CNS- depressant, antispasmodic, carminative and antibacterial, antiprotozoal, antiamoebic, anthelmintic activities.
Dosage > Gall—3-6 g powder. (API, Vol. I.)