Callmander, M.W., G.E. Schatz, R.E. Gereau & M.M. Hanes (2020). A new name in Hibiscus (Malavaceae) for Madagascar. Candollea 75: 323–324. In English, English and French abstracts.
The combination Hibiscus involucratus (Hochr.) M. Hanes et al. (Malvaceae), based on Macrostelia involucrata Hochr., is a later homonym of Hibiscus involucratus Salisb. Macrostelia involucrata is here replaced by the new name Hibiscus benedicti Callm., G.E. Schatz & M. Hanes.
