Typification of the Linnaean name Gratiola peruviana (Plantaginaceae)

Key Points

• This research discusses the typification of the Linnaean name Gratiola peruviana.
• Analysis of original materials related to Gratiola peruviana.
• Identification of the illustration by Feuillée cited by Linnaeus.
• Designation of the identified illustration as the lectotype.
• The illustration by Feuillée is confirmed as the only original material for G. peruviana.
• The chosen lectotype supports the nomenclature of G. peruviana.