- Impatiens glandulifera is a succulent annual than can be 3-10 ft. (0.9-3 m) tall. The stems are purple tinged, hollow and hexagonally angled.
- The foliage is opposite or whorled. Leaves are lanceolate to lance-ovate with acuminate tips. Leaves are simple, serrate and 6 in. (15.2 cm) long.
- Flowering occurs from June to October. The pink, irregular, solitary flowers appear on axillary stalks.
- Fruits are five chambered capsules that, when mature, explode expelling seeds forcefully. Each plant produces about 800 seeds.
- Ecological Threat
- Impatiens glandulifera occurs in areas with high soil moisture, such as riparian areas. It is tall for an annual plant, has a fast growth rate, reseeds aggressively and outcompetes native vegetation. Plants are partially shade tolerant. It is native to India.
Global Invasive Species Database. 2011. Invasive Species Specialist Group (ISSG) of the IUCN Species Survival Commission 
King County Department of Natural Resources and Parks Water and Land Resources Division 
Oregon Department of Agriculture Plant Programs, Noxious Weed Control 
Washington State Noxious Weed Control Board 
NOBANIS – Invasive Alien Species Fact Sheet 
Invasive Plant Atlas of New England (IPANE) 
University of California, Jepson Flora Project 
Wildscreen, ARKive 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org