Fernandes, R. 2005. Taxon detail for Clerodendrum buchananii (Roxb.) Walp. (cultivated). Flora Zambesiaca. Kew Gardens database. FZ volume:8 part:7 (2005) Lamiaceae.
Online details: http://apps.kew.org/efloras/namedetail.do?qry=namelist&flora=fz&taxon=11583&nameid=29506