Telegonus fulgerator, the two-barred flasher, is a species of spread-wing skipper butterfly in the family Hesperiidae which may constitute a possible cryptic species complex. It ranges all over the Americas, from the southern United States to northern Argentina.

Senna, the sennas, is a large genus of flowering plants in the legume family. This diverse genus is native throughout the tropics, with a small number of species in temperate regions. The number of species is estimated to be from about 260 to 350. The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation.