Gyrandra brachycalyx (Standl. & L.O. Williams) G. Mans. Gyrandra brachycalyx (Standl. & L.O. Williams) G. Mans. in Taxon 53: 722. 2004 sec. Mansion 2004≡Centaurium brachycalyx Standl. & L.O. Williams in Ceiba 3(2): 125. 1952 syn. sec. Mansion 2004