California Knotweed (Polygonum californicum)
Description
Polygonum californicum-is a species of flowering plant in the-buckwheat family-known by the common name-California knotweed. It is native to the west coast of the United States from-Washington,-Oregon, and northern and central-California-in the-Coast Ranges-and-Sierra Nevada foothills-as far south as-Napa-and-Tulare Counties. It can be found in many types of open habitats Polygonum californicum is an annual herb producing a slender, angled stem which grows erect to a maximum height near 40 centimeters. The narrow, pointed leaves are mostly located on upper branches of the stem. The leaves have fringed, bristle-tipped stipules attached to their bases. Solitary white or pink flowers occur in upper leaf axils.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Polygonaceae
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Genus: Polygonum
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