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Type: Artigo
Title: Dizygostemon riparius (Plantaginaceae, Gratioleae), a new species from Maranhão, northeastern Brazil
Author: Scatigna, Andre Vito
Brandao, Clenilma Marques
Dalla Colletta, Gabriel
Teles, Rogerio De Mesquita
Brandao Cavalcante, Many Sirley
Souza, Vinicius Castro
Simoes, Andre Olmos
Abstract: Here we describe and illustrate Dizygostemon riparius (Plantaginaceae, Gratioleae) as a new species from the state of Maranhao, northeastern Brazil. We present morphological and micromorphological descriptions and comparisons, along with illustrations, photographs, and information on its taxonomy, habitat, geographic distribution and conservation status. Dizygostemon riparius differs from D. floribundus, the only other accepted species of the genus, by having the stems sparsely to densely tomentose, the sepals as long as or slightly longer than the corolla tube, the posterior sepal to 1.5 times as wide as any of the other four, the ovary glandular villous, and the leaves larger. The new species is assessed as Endangered (EN) according to IUCN categories and criteria. Additionally, we provide diagnostic features that help to differentiate Dizygostemon from the similar Brazilian genera Achetaria, Stemodia and Tetraulacium.
Subject: Plantas aromáticas
Country: Alemanha
Editor: Botanic Garden & Botanical Museum Berlin-Dahlem
Rights: Aberto
Identifier DOI: 10.3372/wi.49.49206
Date Issue: 2019
Appears in Collections:IB - Artigos e Outros Documentos

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