A new species of Lippia (Verbenaceae) from the Campos eco-region of the Grassland Ecosystems of Río de la Plata, Southeast South America

Autores/as

DOI:

https://doi.org/10.5902/2358198086552

Palabras clave:

Argentina, Brazil, Dioicolippia, grasslands, Pampa Biome, Paraguay

Resumen

A new species of Lippia (Verbenaceae) from the Campos eco-region of the Grassland Ecosystems of Río de la Plata, Southeast South America. Based on field surveys, studies of nomenclatural types and other specimens and review of literature we found a new species belonging to Lippia sect. Dioicolippia, which is here described as Lippia misionica. It is easily segregated from the others species by its shorter internodes, thicker rhizomes, cushion-like habit, shorter pedicels of pistillate spikes, wider bracts and glandular trichomes covering all the plant. Even with these characteristics, it presents affinity with Lippia coarctata and L. contermina. It dwells in dry environments, mainly on shallow and rocky soils developed on basalts and rhyolites in western and northwestern Rio Grande do Sul state, Brazil, northeast Corrientes and southern Misiones provinces, Argentina, and eastern Alto Paraná department, Paraguay. The new species is detailing illustrated, and data regarding its geographic distribution, phenology, habitat, conservation, and morphological affinities with similar species are given. Furthermore, a key for recognizing of the 22 species currently belonging to Lippia sect. Dioicolippia is provided.

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Biografía del autor/a

Leonardo Paz Deble, Universidade Federal do Pampa

Possui graduação em Ciências Biológicas (Licenciatura Plena) pela Universidade da Região da Campanha (2002), Mestrado (2004) e Doutorado (2007) em Ciências Florestais pela Universidade Federal de Santa Maria. Atualmente é Professor Adjunto da Universidade Federal do Pampa. É revisor e ilustrador científico da Revista "Balduinia" editada pela Universidade Federal de Santa Maria e também faz parte do "Núcleo Interinstitucional de pesquisas botânicas Balduino Rambo" da Universidade Federal de Santa Maria. Tem publicado inúmeros trabalhos em revistas nacionais e internacionais na área da Botânica com ênfase em Taxonomia Vegetal.

Bárbara Pinheiro Moreira, Núcleo Interinstitucional de Pesquisas Botânicas Balduino Rambo

Possui graduação em zootecnia (2015) pela Universidade Federal do Pampa, Campus Dom Pedrito. Pós-graduada em Produção Animal (2017) pela Universidade Federal do Pampa, Campus Dom Pedrito. Mestrado em Ciências Biológicas (2020) pela Universidade Federal do Pampa, Campus São Gabriel.

Citas

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Publicado

2024-01-31

Cómo citar

Deble, L. P., & Pinheiro Moreira, B. (2024). A new species of Lippia (Verbenaceae) from the Campos eco-region of the Grassland Ecosystems of Río de la Plata, Southeast South America. Balduinia, (72), 02–10. https://doi.org/10.5902/2358198086552

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