here is the article about cat's whisker that can be uses as a herbal medicine (herbal remedies) or traditional medicine to cure some diseases. typically the plants live in tropical country. Indonesia is one of the country that has alot of cats's whisker. below are the pictures of this plant: 

Leaves of cat's whiskers (wet or dry) are used as ingredients of medicines. In Indonesia, the dried leaves used as drugs that facilitate the expenditure of urine (diuretic) while in India to treat rheumatism. Public use cat's whiskers as a traditional medicine as a cough relief efforts gout, colds and constipation. Besides, the leaves of this plant are also useful to treatment of kidney inflammation, kidney stones, diabetes, albuminuria, and syphilis disease, bladder infections and stones in the bladder, kidney stone pain, gallbladder stones, rheumatism, swelling of the bladder, urinary tract infections , whitish.

The Savor of benefit of cat's whiskers leaf

The form of Cat's whiskers (Orthosiphon Spicatus BBS is shrub, have wet trunk, the height can reach 1.5 meters. Can be grown in a dry or wet at an altitude of 700 meters above sea level. This plant has leaves egg-shaped spurs, leaves coarsely toothed edges. The flowers are white or purple.

This plant has a number of benefits to cure various kinds of diseases. The leaves contain  potassium (boorsma). it also contains glycosides orthosiphonin believed to dissolve uric acid, phosphate and oxalate from the body.Especially from the bladder, bile and kidney.

According to the Atlas of Plant Medicine by Dr. Setiawan Dalimartha Indonesia, as quoted by website association data center hospitals throughout Indonesia (Persi), cat's whiskers plant flower is a compound flower in the bunch that came out at the end of the branching. The color is pale purple or white while the stamens longer than the flower tube. Fruit cat's whiskers in the form of fruit boxes and egg-shaped. These plants can be propagated by seeds or stem cuttings.

This plant sweets slightly bitter taste.  cat's whiskers can be used to treat a number of diseases namely acute and chronic kidney infections, arthritis, high blood pressure, diabetes, bladder stones and bladder infections. 

source: http://herbal-core.blogspot.com/2011/04/cats-whisker-orthosiphon-spicatus-bbs.html