 The labellum has a rigid connection to the column.The genus "Luisia" was first formally described in 1829 by Charles Gaudichaud-Beaupré and the description was published in "Voyage autour du monde fait par ordre du Roi sur les corvettes de S. M. l'Uranie et la Physicienne".The name "Luisia" honours Don Luis de Torres who assisted the French expedition at Guam.