*3.1. Taxonomy*

*T. impetiginosa* is also known as *Handroanthus impetiginosus* (Mart. ex Dc.) Mattos as accepted on the website www.theplantlist.org [19]. There are 17 valid synonymous names for *Handroanthus impetiginosus* (Mart. ex Dc.) Mattos and one invalid synonymous name (*Tecoma impetiginosa* Mart.). Synonymous names for *Handroanthus impetiginosus* (Mart. ex DC.) Mattos within one confidence level are *T. ipe* var. *integra* (Sprague) Sandwith, *Tecoma avellanedae* var. *alba* Lillo, *Tecoma ipe* var*. integra* Sprague, *Tecoma ipe* var*. integrifolia* Hassl., and *Tecoma ipe f. leucotricha* Hassl. Synonymous names for *Handroanthus impetiginosus* (Mart. ex DC.) Mattos within three confidence levels are *Gelseminum avellanedae* (Lorentz ex Griseb.) Kuntze, *Handroanthus avellanedae* (Lorentz ex Griseb.) Mattos, *T. avellanedae* (Lorentz ex Griseb.), *T. dugandii* Standl., *T. impetiginosa* (Mart. ex DC.) Standl., *T. nicaraguensis* S.F. Blake, *T. palmeri* Rose, *T. schunkevigoi* D.R. Simpson, *Tecoma adenophylla* Bureau and K. Schum, *Tecoma avellanedae* (Lorentz ex Griseb.) Speg., *Tecoma impetiginosa* Mart. ex DC., and *Tecoma integra* (Sprague) Hassl (The Plant List, 2013) (Table 1). This paper will use the name *T. impetiginosa* (Mart. ex DC.) Standl and present it as *T. impetiginosa*. *T. impetiginosa* is a member of family Bignoniaceae, genus *Tabebuia*, and species *impetiginosa* as written in NCBI: txid429701. Its genus

name is derived from a native language of Brazil, while the species name is derived from the Latin word impetigo, a common and highly contagious skin infection. It was so named because people believed that this plant could be used to treat impetigo [20].


**Table 1.** Synonymous names for *Tabebuia impetiginosa* from The Plant List, 2013.
