Spotted Touch-me-not or Jewelweed along the banks of the Pequannock River in Butler, New Jersey ( Impatiens capensis ).

A well known folk-remedy* uses Jewelweed leaves crushed into a poultice for Poison Ivy rash. The stem juice was used in a 1957 Poison Ivy study to be effective in 108 of 115 patients. The leaves are also brewed into a tea as a rash preventitive and ice cubes applied externally as a remedy. The Jewelweed leaves contain the compound lawsome which has some antihistamine and anti-inflammatory properties.

A Field Guide to Wildflowers, Roger Tory Peterson

Medicinal Plants and Herbs, Steven Foster and James A. Duke