Swaziland's Alien Plants Database

Polygonum aviculare L. POLYGONACEAE wireweed, prostrate knotweed Unknown, Potential minor problem species Origin: Europe Growth Form: Herb Plant Description: Sometimes erect, but mostly sprawling annual or short-lived perennial with a thick taproot. It has lanceolate leaves with clusters of small pink flowers in their axils. Key Features: Control: Comments: Suspected/Possible Photo - flowers/leaves The Weeds Society of Western Australia Photo Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. Illustration USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada.

KEY   Confirmed (herbarium specimen)   Visual record   Suspected Click on map grid square to view record information for each grid square.

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