Novelties in Brazilian Waltheria L. (Byttnerioideae, Malvaceae): two new species and one re-establishment

ABSTRACT This work validates two Waltheria species endemic to campo rupestre with complete descriptions, illustrations, updated geographical distributions and comments on taxonomic affinities. Waltheria biribiriensis and Waltheria terminans are restricted to the Southern Espinhaço Province in easter...

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Veröffentlicht in:Acta Botânica Brasílica 2020-09, Vol.34 (3), p.449-459
Hauptverfasser: Coutinho, Thales Silva, Colli-Silva, Matheus, Alves, Marccus
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Colli-Silva, Matheus
Alves, Marccus
description ABSTRACT This work validates two Waltheria species endemic to campo rupestre with complete descriptions, illustrations, updated geographical distributions and comments on taxonomic affinities. Waltheria biribiriensis and Waltheria terminans are restricted to the Southern Espinhaço Province in eastern South America, occurring on mountain tops where campo rupestre vegetation prevails. Furthermore, Waltheria brachypetala, a species of dry deciduous forests in Brazil that was long considered as conspecific with W. ferruginea due to its shrubby lifeform and similar indumentum, is re-established based on differences of phyllotaxy, blade shape and inflorescence type. The first occurrence records of W. brachypetala in the state of Paraíba are also provided, as well as the first record in the Atlantic Forest domain. Lastly, a lectotype is designated for W. ferruginea.
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source DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects campo rupestre
endangered species
Hermannieae
heterostily
Malvales
re-establishment
vulnerable species
title Novelties in Brazilian Waltheria L. (Byttnerioideae, Malvaceae): two new species and one re-establishment
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