- Persicaria wallichii is a perennial plant that can grow from 23.6-78.7 in. (60-200 cm) tall.
- Leaves are alternate or basal, oval to lanceolate in shape, moderately hairy, and 3.9-7.9 in. (10-20 cm) long with heart shaped bases and pointed tips.
- Flowers are white to pink, 0.12-0.2 in. (3-5 mm) long, fragrant, and found in clusters from 7.9-13.8 in. (20-35 cm) long. Flowers bloom from mid summer to late fall.
- Seeds are dark brown in color, ovoid, 3 angled, smooth, and 0.04-0.08 in. (1-2 mm) long. They are transported mostly by water and wind.
- Ecological Threat
- Persicaria wallichii can be found in moist soils and in fields, pastures, and waste areas. It is native to the Himalayan region.
University of Alaska Anchorage, Alaska Natural Heritage Program 
University of California, Jepson Flora Project 
Flora of North America, www.eFloras.org 
USDA NRCS PLANTS 
USDA ARS GRIN 
Images from Bugwood.org