A new species of Coccoloba P. Browne (Polygonaceae) from the Brazilian Amazon with exceptionally large leaves

Author:

MELO Efigenia de1,FERREIRA Carlos Alberto CID2,GRIBEL Rogério2ORCID

Affiliation:

1. Universidade Estadual de Feira de Santana, Brasil

2. Instituto Nacional de Pesquisas da Amazônia − INPA, Brasil

Abstract

ABSTRACT We describe and illustrate a new species of Coccoloba (Polygonaceae), named Coccoloba gigantifolia, from the Brazilian Amazon. It resembles Coccoloba mollis Casar, but differs from the latter species by its much larger leaves in the fertile branches. The species has only been recorded in the Madeira River basin, in the states of Amazonas and Rondônia, in the central and southwestern Brazilian Amazon. The description was based on herbarium material, cultivated plants, and individual trees in their natural habitat. We provide illustrations, photographs, and an identification key with morphological characteristics that distinguish the new taxon from the other two related taxa of the Coccoloba sect. Paniculatae, as well as comments on the geographic distribution and conservation status of the species.

Publisher

FapUNIFESP (SciELO)

Subject

General Agricultural and Biological Sciences

Reference19 articles.

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4. Classification de la arquitectura de las hojas de dicotiledoneas;Hickey L.J.;Boletín de la Sociedad Argentina de Botánica,1974

5. Studies in the Genus Coccoloba, IX. A critique of the South American species;Howard R.A.;Journal of the Arnold Arboretum,1960

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