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Issue: Vol. 645 No. 1: 18 Apr. 2024
Type: Article
Published: 2024-04-18
DOI: 10.11646/phytotaxa.645.1.4
Page range: 43-54
Abstract views: 53
PDF downloaded: 3

Novelties in Randia L. (Gardenieae, Rubiaceae) from Brazil

Instituto de Pesquisas Jardim Botânico do Rio de Janeiro; 22470-180; Rio de Janeiro; Brazil
Instituto de Biologia; Universidade Federal da Bahia; Rua Barão de Jeremoabo; s/n; Salvador; 40170-115; Bahia; Brazil
Universidade Federal do Sul da Bahia; Campus Jorge Amado; Itabuna; 45600-923; BA; Brazil/Herbário CEPEC/ CEPLAC. Km 29 Rod. BR 415; Ilhéus-Itabuna; Itabuna; 45604-811; BA; Brazil
Instituto de Botánica del Nordeste (UNNE-CONICET); Sargento Cabral 2131; cc. 209; CP 3400; Corrientes; Argentina
Eudicots Atlantic rainforest Caatinga Cerrado endangered species Sphinctanthus insignis

Abstract

Here we publish two novelties in Randia, a description of a new species (R. muricata) and the establishment of R. sulbahiana as a new name for Sphinctanthus insignis. Randia muricata is distinguished by a set of features, such as its muricate fruits, and the discolor venation on abaxial surface of the leaf blades, puberulent. The muricate fruits is an uncommon feature among species in this genus. R. sulbahiana is characterized by the facultative presence of thorns, linear or filiform calyx lobes, and the acute apex of corolla lobes. We provide descriptions, illustrations, figures, an assessment of conservation status, and distribution map of both species. A dichotomous key to distinguish Brazilian’s species of Randia is also provided.

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