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Microlicia coronata (Melastomataceae), a new ericoid species from the Serra das Almas, Bahia, Brazil

Abstract:

Microlicia coronata is described as a new species from Pico das Almas, Bahia, Brazil. It is morphologically similar to species of the Chaetostoma clade of Microlicia s.l., but can be recognized by its leaves lacking a keel (vs. keeled), bicolored, rostrate anthers (vs. yellow and apically attenuate), the ovary apex crowned with five bluntly triangular erect lobes 0.5–0.75 mm long on mature capsules (vs. ovary apex rounded), and the mature capsules not reaching the apex of the hypanthium (vs. exceeding the apex). Line drawings and a distribution map are provided for the new species, which is little-collected and apparently rare.

Resumo:

Microlicia coronata é descrita como uma nova espécie do Pico das Almas, Bahia, Brasil. Essa espécie é morfologicamente similar a espécies do clado Chaetostoma de Microlicia s.l., mas pode ser reconhecida por suas folhas não carenadas (vs. carenadas), anteras bicoloridas e rostradas (vs. amarelas com ápice atenuado), ápice do ovário com uma coroa formada por cinco lobos tênues e eretos medindo 0.5–0.75 mm compr nas cápsulas maturas (vs. ápice do ovário arredondado), e cápsulas não atingindo o ápice do hipanto (vs. excedendo o ápice). Ilustrações e um mapa de distribuição são fornecidos para a nova espécie, a qual é pouco coletada e aparentemente rara.

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Acknowledgments

We are grateful to: the curators of US and HUEFS for the loans of selected specimens to CAS and HUEM; Klei Rodrigo Sousa for the line drawings; two anonymous reviewers, F. A. Michelangeli (associate editor) and Benjamin Torke (editor-in-chief) for their comments and suggestions on a previous version of the manuscript; and the Lakeside Foundation (U.S.A.) for supporting Pacifico’s extended study visit to CAS in 2019–2020.

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Correspondence to Ricardo Pacifico.

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Pacifico, R., Almeda, F. Microlicia coronata (Melastomataceae), a new ericoid species from the Serra das Almas, Bahia, Brazil. Brittonia 74, 265–271 (2022). https://doi.org/10.1007/s12228-022-09712-0

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  • DOI: https://doi.org/10.1007/s12228-022-09712-0

Keywords

  • Campo rupestre
  • Chapada Diamantina
  • Endemism
  • Microlicieae
  • Rupestrian grasslands