It means the species of the plant. Example: Mitragyna speciosa or Kratom.
Chloromyia speciosa was created in 1834.
Carpophthoromyia speciosa was created in 1984.
Aquamarina speciosa was created in 1996.
Oreina speciosa was created in 1767.
Ungnadia speciosa was created in 1835.
Gemmula speciosa was created in 1842.
Clarkia speciosa was created in 1953.
Guettarda speciosa was created in 1753.
Chrysomantis speciosa was created in 1915.
Oenothera speciosa was created in 1821.
Mythimna speciosa was created in 1991.
Catalpa speciosa is the Latin name for the Northern Catalpa