Plectranthus emirnensis (Baker) Hedge, Fl. Madag. 175: 187. 1998
Orthosiphon emirnensis Baker, J. Linn. Soc., Bot. 21: 433. 1885. Type: Madagascar, centre, Baron 1056 (lectotype: K, designated by Hedge et al. (1998)).
Orthosiphon hildebrandtii Vatke, Abh. Naturwiss. Vereins Bremen 9: 134. 1885. nom. superfl. based on Baron 1506.
Ocimum hildebrandtii (Vatke) Briq. in H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam. 4(3a): 372. 1897., nom. illeg.
Ocimum siphonanthum Briq., Bull. Herb. Boissier 2: 121. 1894. Type: Madagascar, Betsileo, near Ankafina, Hildebrandt 3947 (holotype: G, not seen; isotype: P).
Distribution.
Madagascar.