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Hydrophilia (Hydrophilia
spinosa) is indigenous to India, and is widely distributed in
the sub-tropical regions of the world. The name is derived from
the Greek, and refers to the medical doctrine of fluids in the
body. It has tapering roots, a number of rootlets, and upright
square stems; leaves and branches opposite, nodes swollen near
them; the stem and leaves have three- to five-celled stiff hairs.
Flowers, four pairs awl-shaped and like leaves in shape. Corolla
glabrous on lower lip. Fruit has four to eight flattened brownish
seeds, which contain a quantity of strong mucilage. The drug has
no special odor or taste.
Hydrophilia is composed chiefly of mucilage,
fixed oil, phytosterol, and a trace of an alkaloidal substance,
properties similar to Couchgrass. Hydrophilia is considered a
demulcent, and a diuretic for catarrh of the urinary organs. The
dried herb & root, or rhizome, has long been used in India
for dropsy, especially when accompanied by hepatic obstruction.
It is also considered a popular aphrodisiac. In Southern India
the root is the commercial part, but in Bombay the seeds are
mostly used.
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