The root is emollient and bitter. The decoction is used as a lotion for ulcers, and internally as a sudorific and tonic-astringent. The physicians of India prescribe the powdered root with milk for fevers and for nervous and urinary diseases. The leaves are used locally in ophthalmia.
The juice of the root is employed as a wash for all kinds of sores and ulcers and the juice of the entire plant is given for spermatorrhoea. After experimenting with the root, the compilers of the Bengal Dispensatory announced their uncertainty as to whether or not it possessed antipyretic properties; however, they pronounce it diaphoretic, an exciter of the appetite and an excellent bitter tonic. In Goa the Portuguese consider it diuretic and use it especially in rheumatic affections.
The root of S. carpinifolia gives a blue color with the salts of iron. It does not precipitate gelatin and contains asparagin.
BOTANICAL DESCRIPTION.—A plant 2–4° high with woody, branching stem, leaves alternate, oblong, pointed, serrate, under surface neither hoary nor tomentose as in some other species of Sida. Petioles very short, curved near the leaf, 2 stipules near the base. Flowers axillary, solitary. Calyx simple, in 5 parts. Corolla, 5 petals notched obliquely. Stamens numerous, inserted on the end of a column.
Anthers globose. Styles 5, mingled with the stamens. Stigmas globose. Cells of the same number as the styles, verticillate, with solitary seeds.
HABITAT.—Common in Luzon, Panay, Mindanao, Paragua, Cebú and Balabac.
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