- Persicaria longiseta is an annual forb that can reach 6-30 in. (15.2-76.2 cm) in height and can be either erect or sprawling.
- Leaves are elongate, narrow and pointed at the base and tip. Stems have swollen nodes with papery sheaths (ocrea). Ocrea have long, hair-like bristles on the margin.
- Flowering occurs from June to October, when pink flowers develop at the apex of the stems. Flowers are 0.13 in. (0.3 cm) long and occur in groups.
- Seeds are smooth, dark colored, dry, and 3 angled.
- Ecological Threat
- Persicaria longiseta is native to Asia and occurs in disturbed habitats such as along roadsides and in pastures. Plants also inhabit wet areas.
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EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State Invasive List - This map identifies those states that list this species on their invasive species list. For more information, visit Invasive.org
Invasive Listing Sources
- City of Ann Arbor Michigan Parks and Recreation
- Connecticut Invasive Plant List
- Connecticut Invasive Plant Working Group
- Faith Campbell, 1998
- Georgia Exotic Pest Plant Council - Category 4
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Kentucky Exotic Pest Plant Council - Significant Threat
- Mid-Atlantic Exotic Pest Plant Council, 2005
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- Tennessee Exotic Pest Plant Council
- Virginia Invasive Plant Species List
- WeedUS - Database of Plants Invading Natural Areas in the United States
Other System LinksPlants: PELO10
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|Scientific Name Reference:||The Plant List (2010). Version 1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).|