Handroanthus abayoy, a new species of Bignoniaceae endemic from Bolivia

Abstract

Handroanthus abayoy is a new species endemic to the southern region of the department of Santa Cruz, Bolivia. Morphologically the most similar species to H. abayoy is H. selachidentatus, both species are part of Tabebuia group II according to the classification proposed by Grose & Olmstead (2007). However, the two species have a different geographic distribution, and at least 15 morphological characteristics, both vegetative and reproductive, that distinguish one from the other.