The common cocklebur (Xanthium strumarium) is a native of North America. It has become an invasive species worldwide. It invades agricultural lands and can be poisonous to livestock, including horses, cattle, and sheep. Some domestic animals will avoid consuming the plant if other forage is present, but less discriminating animals, such as pigs ...

cocklebur, weedy annual plant of the genus Xanthium of the family Asteraceae, distributed throughout much of Europe and parts of North America. Some authorities consider that the genus contains about 15 species, others say from 2 to 4.

Cocklebur is a summer annual weed in the daisy family that is native to Europe and has naturalized elsewhere. They grow 2-4 feet tall and prefer moist to wet sandy loam or loams in full sun to partial shade.

Xanthium strumarium (rough cocklebur, [2] Noogoora burr, [3] clotbur, common cocklebur, large cocklebur, woolgarie bur) is a species of annual plants of the family Asteraceae. [4] Some sources claim it originates in southern Europe and Asia, but has been extensively naturalized elsewhere.

Common cocklebur, or rough cocklebur, is an annual, taprooted plant that usually grows to about 4 feet high. The single, stout stem is green, often speckled with purple, finely ridged or grooved, often with hairs, and usually has only a few side branches.

Cocklebur is an upright annual herb that may reach six feet tall. It is extremely variable in specific characteristics. There is usually one stem from a tap root. The central stem often produces ascending lateral branches that decrease in length toward the top. Stems are light green, with short, reddish streaks. A basal rosette is absent.

Feb 1, 2024 · It thrives in pasture lands, cornfields, floodplains, and poorly drained areas. Some of the common names for the plant include Rough cocklebur, Large cocklebur, or its often simply known as Cocklebur. It has a preference for sunny and …

General description: Erect plant reaching heights of 6 to 7 ft. Stems are rough with dark spots. Leaves are rough, triangular in shape with wavy or toothed margins and long petioles. Inconspicuous flowers produce egg-shaped burs with two beaks at …

Cocklebur is a rough-to-the-touch annual forb that grows up to five feet tall, generally two to four feet tall. The stout stems are purplish-green with purple or black spots. Alternate leaves are large and broad and up to six inches long.

Cocklebur has the capacity to maintain functionality of lower leaves within the shade of a crop canopy by adjusting leaf metabolism accordingly. It also has the potential to alter upper leaf growth to increase light capture in response to reduced light levels on lower leaves.