27. Eupatorium ayapana Vent., Jard. Malmaison 1: tab. 3. 1803.

Lectotypus (designated here): [BRAZIL]: Hort. Malmaison, Ventenat s.n. (G [G00341565 right hand specimen]!; probable isolecto-: G-DC [G00495105]!).

= Ayapana triplinervis (Vahl) R.M. King & H. Rob.

Notes. – The only sheet in the Ventenat herbarium consists of two gatherings. The plant cultivated at Malmaison and a Michaux collection from Mauritius [G00341565 left hand specimen] where the plant had for long been cultivated. We designate here as the lectotype the specimen from Malmaison as it is the most complete material. A probable isolectotype exists in G-DC.