What is "cosmos bipinnatus"

Cosmos \Cos"mos\, n. (Bot.) A genus of composite plants closely related to Bidens, usually with very showy flowers, some with yellow, others with red, scarlet, purple, white, or lilac rays. They are natives of the warmer parts of America, and many species are cultivated. Cosmos bipinnatus and Cosmos diversifolius are among the best-known species; Cosmos caudatus, of the West Indies, is widely naturalized.

Cosmos bipinnatus, commonly called the garden cosmos or Mexican aster, is a medium-sized flowering herbaceous plant native to Mexico. The species and its varieties and cultivars are popular as an ornamental plant in temperate climate gardens. It naturalized in scattered locations across North America, South America, the West Indies, Italy, Australia, and Asia, where it is a garden escape ( introduced species) and in some habitats becoming a weed.