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Issue: Vol. 625 No. 1: 7 Nov. 2023
Type: Article
Published: 2023-11-07
DOI: 10.11646/phytotaxa.625.1.7
Page range: 98-107
Abstract views: 127
PDF downloaded: 10

A new species of Helietta (Pilocarpinae, Zanthoxyloideae, Rutaceae) from Colombia and notes on the morphology and circumscription of H. glaziovii

Herbario Universidad de Antioquia (HUA) y Grupo de Estudios Botánicos (GEOBOTA); Instituto de Biología; Facultad de Ciencias Exactas y Naturales; Universidad de Antioquia; A.A; 1226; Medellín; Colombia; Herbario Gabriel Gutiérrez Villegas (MEDEL) y Semillero en estudios taxonómicos de plantas de Colombia; Facultad de Ciencias; Universidad Nacional de Colombia; A.A; 3840; Medellín; Colombia
Herbario Universidad de Antioquia (HUA) y Grupo de Estudios Botánicos (GEOBOTA); Instituto de Biología; Facultad de Ciencias Exactas y Naturales; Universidad de Antioquia; A.A; 1226; Medellín; Colombia; Herbario Gabriel Gutiérrez Villegas (MEDEL) y Semillero en estudios taxonómicos de plantas de Colombia; Facultad de Ciencias; Universidad Nacional de Colombia; A.A; 3840; Medellín; Colombia
Instituto de Biociências; Universidade de São Paulo Campus de São Paulo; Rua do Matão 277; Prédio do Herbário SPF; São Paulo; SP 05508-090; Brazil
Herbario Gabriel Gutiérrez Villegas (MEDEL) y Semillero en estudios taxonómicos de plantas de Colombia; Facultad de Ciencias; Universidad Nacional de Colombia; A.A; 3840; Medellín; Colombia
Eudicots Endangered species Inter Andean Valleys Magdalena River Sapindales

Abstract

Helietta magna, a new species from the Magdalena River Valley in Colombia is described and illustrated, with notes on its geographical distribution, phenology, conservation status and taxonomic affinities. The new species shares the character of leaflets with an involute margin apically only with H. apiculata and H. glaziovii and can be distinguished from these two species mainly by its larger leaflets, which are acuminate with involute margin only over the acumen and its ovary puberulous apically. Being the first recorded species from very humid forest, it expands the ecological spectrum of the genus, heretofore known only from mesic to dry habitats. Novel morphological information observed in the type specimens of H. glaziovii is also presented, along with notes on its current circumscription.

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