Polygonum arenastrum
Family: Buckwheat (Polygonaceae)
Size: Approx. 0.125 in.
Date: 7/10/2001
Other names: Prostrate knotweed, oval knotweed
Notes: A summer annual weed (Eurasian import) which can thrive even on poor and compacted soil. The mature plant grows prostrate to erect with slender, tough stems, which are extensively branched, giving it a zigzag appearance. 17 species of Polygonum in Arizona.
Knotweed entry in the online edition of An Illustrated Guide to Arizona Weeds, Kittie F. Parker, University of Arizona Press.
Entry for common knotweed in the University of California Statewide Integrated Pest Management Project.
Oval knotweed plant profile on the USDA Plants server.
Main Alphabetical Table of Contents
Main Table of Contents by Family
Main Table of Contents by Date
Table of Contents for the Fauna
Our Bookshop
Links to other Sites
Home
webmaster@casasarroyo.org
© 2001 Casas Arroyo Homeownwers Association