Xanthium spinosum is an upright, highly branched, dichotomous, annual herb producing a slender stem up to 1 metre (3 ft 3 in) tall or slightly taller. It is lined at intervals with very long, sharp, …

The origins of spiny cocklebur is not resolved. It may be introduced everywhere north of South America, or it may be native in much of its northern hemisphere distribution. Because of its …

First published in Sp. Pl.: 987 (1753) The native range of this species is Central & E. Canada to Mexico, Peru to S. South America. It is an annual and grows primarily in the temperate biome. …

Xanthium spinosum is an annual herb that is not native to California. Toxicity: Do not eat any part of this plant. Calflora: Information on California plants for education, research and …

2013年11月13日 · This datasheet on Xanthium spinosum covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental …

Xanthium spinosum is an upright and much-branched short-lived herbaceous plant usually growing 30-100 cm tall, but occasionally reaching up to 1.2 m in height, with spines at the …

Xanthium spinosum is a species of flowering plant in the aster family known by many common names, including spiny cocklebur, prickly burweed and Bathurst burr. Most categories of …

wfo-0000032434 Xanthium spinosum L. Sp. Pl. : 987 (1753) This name is reported by Asteraceae as an accepted name in the genus Xanthium (family Asteraceae ).

2014年6月20日 · Xanthium spinosum is an erect, rigid, much-branched annual herb, 11.8-39.4 in. (30-100 cm) tall and up to 59.1 in. (150 cm) or more wide. Stems are striate, yellowish or …

Xanthium spinosum can be distinguished from Xanthium cavanillesii in that the latter has stems without spines at the base of the leaves, the leaves are shallowly and unevenly lobed and the …