Polygonum californicum
Encyclopedia
Polygonum californicum is a species of flowering plant in the knotweed family
known by the common name California knotweed. It is native to the west coast of the United States from Washington to central California
, where it can be found in many types of open habitat.
s attached to their bases. Solitary white or pink flowers occur in upper leaf axils.
Polygonaceae
Polygonaceae is a family of flowering plants known informally as the "knotweed family" or "smartweed family"— "buckwheat family" in the United States. The name is based on the genus Polygonum and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name refers...
known by the common name California knotweed. It is native to the west coast of the United States from Washington to central California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, where it can be found in many types of open habitat.
Description
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 stipuleStipule
In botany, stipule is a term coined by Linnaeus which refers to outgrowths borne on either side of the base of a leafstalk...
s attached to their bases. Solitary white or pink flowers occur in upper leaf axils.