Standleyanthus is a genus of Central American plants in the tribe Eupatorieae within the family Asteraceae.

[1][3][4] The genus is named after US botanist Paul Carpenter Standley (1884-1963).

[5][6] The Latin specific epithet of triptychus is a compound word with 'tri' meaning three and 'ptychus' meaning plate.

[7] The only known species is Standleyanthus triptychus, which is native to Costa Rica.

[2][8] This Eupatorieae article is a stub.