Bryant, G. 1996: Rare and Unusual Plants for New Zealand Gardens. David Bateman, Auckland.
Lindley, J. 1845: Edwards's Botanical Register; or, ornamental flower-garden and shrubbery . Vol. 31. Ridgway, London.
Shaw, J.M.H. 2018: Iochroma reshuffle. The Plantsman 17(2): 124–125.
Steele, R.; Lowe, M. 2002–2006: Index. Subtropicals Index: 1–12.