Operculina TURPETHUM (L.) Silva.- Manso.
| Synonym : | Argyreia alulata Miq. Convolvulus turpethum L. Ipomoea turpethum (L.) R. Br. Merremia turpethum (L.) Rendle Spiranthera turpethum (L.) Bojer |
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| Bangla Name : | Dudh Kalmi, Tohri. |
| English Name : | False Jalap, Indian Rhubarb, Turbeth Root. |
| Family : | Convolvulaceae |
| Disease : | Purgative, anthelmintic, alexiteric, antipyretic, ascites, leucoderma, constipation, piles, bronchitis and pain. |
| Description : | A stout climber, with winged stems. Leaves 4-11 cm long, lanceolate to ovate-lanceolate or broadly ovate to orbicular, base cordate or hastate, acute or obtuse. Flowers white, 1-few in cymes on long peduncles, corolla 3.5 cm long, broadly funnel-shaped. Capsule about 1.5 cm across, depressed-globose, enclosed in the enlarged brittle sepals. |
| Distribution : | Chittagong, Cox’s Bazar, Dhaka, Faridpur, Jessore, Kustia, Pabna, Rajshahi, Jhalakati and Barguna. |
| Chemical Constituents : | Root bark contains about 4% of a resinous mixture similar to Jalap resin and a volatile oil. Roots also contain volatile oil, albumen, starch, lignin, salts and ferric oxide (Ghani, 2003). Resin has been isolated from the plant that contains glucose, rham |
| Uses : | Roots are purgative, anthelmintic, alexiteric and antipyretic, useful in ascites, leucoderma, constipation, piles, bronchitis, pain in muscles, joints and in the chest. Root of this plant is quite equal to jalap and superior to rhubarb in its action, and |
| Habit : | Climber |