The genus name is derived from the Greek words orthros, meaning "morning", and anthos, meaning "flower".[7] They are known commonly as morning irises.[8]
^Woodson, R.E. & Schery, R.W. (1945). Flora of Panama Part 3, Fasc. 1.. Annals of the Missouri Botanical Garden 32: 34-43.
^Innes, C. (1985). The World of Iridaceae: 1-407. Holly Gare International Ltd., Ashington.
^Cooke, D.A. (1986). Flora of Australia 46: i-xii, 1-247. Australian Government Publishing Service, Canberra.
^Henrich, J.E. & Goldblatt, P. (1987). A Review of the New World species of Orthrosanthus Sweet.. Annals of the Missouri Botanical Garden 74: 577-582.
^Espejo Serna, A. & López-Ferrari, A.R. (1996). Monocotiledóneas Mexicanas: una sinopsis florística 6: 43-59. Mexico City : Consejo Nacional de la Flora de Mexico.
^Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 216–19. ISBN978-0-88192-897-6.