Sabellastarte spectabilis was created in 1878.
Manilkara spectabilis was created in 1912.
Chrysolopus spectabilis was created in 1775.
Nepenthes spectabilis was created in 1928.
Carex spectabilis was created in 1836.
Amsinckia spectabilis was created in 1836.
Goniistius spectabilis
It's the Bougainvillea Spectabilis.
small and bright yellow
Dicentra spectabilis
the Rose
Orchis spectabilis is the scientific, Latin or binomial name of the Showy Orchid.Specifically, a scientific name brings together at least two words. The first identifies the genus as that of the orchids, Orchis. The second indicates that the species is outstanding, spectabilis.
Bougainvillaea is the name you require. Bougainvillaea spectabilis; as per norms of botanical nomenclature