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Issue: Vol. 660 No. 2: 18 Jul. 2024
Type: Article
Published: 2024-07-18
DOI: 10.11646/phytotaxa.660.2.5
Page range: 149-160
Abstract views: 25
PDF downloaded: 0

Clematis serrana (Ranunculaceae), a new endemic species to the Atlantic Forest highlands in Southern Brazil

Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Botânica, Campus do Vale, Av. Bento Gonçalves, 9500, Agronomia, Porto Alegre, RS, Brazil
Secretaria da Agricultura, Pecuária, Produção Sustentável e Irrigação, Departamento de Diagnóstico e Pesquisa Agropecuária (DDPA), Herbário BLA, R. Gonçalves Dias, 570, Menino Deus, Porto Alegre, RS, Brazil
Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Botânica, Campus do Vale, Av. Bento Gonçalves, 9500, Agronomia, Porto Alegre, RS, Brazil, Universidade Federal do Rio Grande do Sul, Campus Litoral Norte, Centro de Estudos Costeiros, Limnológicos e Marinhos–CECLIMAR, Av. Tramandaí, 976, Imbé, RS. Brazil
climbing plants conservation status ranunculales serra geral taxonomy Eudicots

Abstract

A new species of Clematis (Ranunculaceae) from the Southern Brazilian Plateau is described here. The species shares similarities with C. denticulata and C. ulbrichiana, but can be distinguished mainly by the staminate partial inflorescences in compressed cymes (false whorls), pyriform staminate flower buds, and fewer carpels. Along with the description, we provide a preliminary extinction risk assessment and photographic plates for the new species. Identification keys for the species in the Atlantic Forest Biome are also presented.

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