Tuesday, February 24, 2009

Merremia emarginata (BURM.F.) HALL.F.

English Name : Rats Ear

Family : Convolvulaceae

A prostrate, much-branched, glabrous or sparsely pubescent perennial vine, often rooting at the nodes, Leaves reniform to broadly ovate, base cordate with a broadly rounded sinus and rounded basal lobes, obtuse to broadly rounded or emarginate at apex, margins coarsely crenate or entire, glabrous or sparsely appressed pillose. Inflorescences axillary, solitary or in 2 to 3 flowered cymose groups. Flowers with very short or absent peduncles; sepals obovate to orbicular, the outer to 3 mm long, obtuse with a distinctly mucronate apex, the inner 3 to 4 mm long, deeply emarginate, all pubescent on the back and ciliate; corolla yellow with a paler tube, campanulate, 5 to 9 mm long. Fruits capsular, subglobose, 5 to 6 mm long, longitudinally sulcate, glabrous, brown-black or black; seeds greyish-brown, glabrous, dotted 2.5 mm long.

Parts Used : Whole plant

Medicinal Use
The plant is used as an alterative and diuretic and also in rheumatism and neuralgia. The juice is used externally for sores.


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