Cosmos sulphureus (sulphur cosmos).

Abstract

Cosmos sulphureus is a prolific seed-producing annual herb considered native to Mexico and northern South America. It grows to two metres tall, and sports very attractive heads of yellow flowers. There are numerous popular cultivars of C. sulphureus in the international horticultural trade, resulting in its wide and intentional spread by humans. The species has been known to escape cultivation and to naturalize. It is recorded as an environmental weed and occasionally as an invasive plant in parts of Africa, Asia, North and Central America and Pacific Islands though details of impact are lacking.

Cosmos white rot: First characterization, physiology, host range, disease resistance, and chemical control

“…C. sulphureus is shorter, having a more compact floret than C. bipinnatus . Between these two species, C. sulphureus has numerous popular cultivars in the international horticultural trade, resulting in its comprehensive and intentional spread by humans [3]. The species name “ sulphureus ” is in reference to the orange–yellow colors of the flower.…”

“…The species name “ sulphureus ” is in reference to the orange–yellow colors of the flower. In parts of Africa, Asia, North and Central America, and the Pacific Islands, it is recorded as an environmental weed and occasionally an invasive plant [3]. In Asia, C. sulphureus was first introduced as an ornamental plant [4].…”