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Artigos Originais • Rodriguésia 64 (3) • Sept 2013 • https://doi.org/10.1590/S2175-78602013000300014 linkcopy

Open-access The genus Merremia (Convolvulaceae) in Southern Brazil

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    Merremia Dennst. ex Endl. comprises about 60 species widely distributed in the tropics and subtropics of both hemispheres. Among the 14 species occurring in Brazil, nine were confirmed for the Southern region: M. cissoides (Lam.) Hallier f., M. digitata (Spreng.) Hallier f. var. digitata, M. digitata var. elongata (Choisy) D.F.Austin & Staples, M. dissecta (Jacq.) Hallier f., M. hassleriana (Chodat) Hassl., M. macrocalyx (Ruiz & Pav.) O'Donell, M. tomentosa (Choisy) Hallier f., M. tuberosa (L.) Rendle, and M. umbellata (L.) Hallier f. Analytical key, morphologic descriptions, geographical data, habitat and illustrations of the taxa of Merremia in Southern Brazil are provided. Merremia hassleriana is a new record for Paraná State.

    morphology; Paraná; Rio Grande do Sul; Santa Catarina; taxonomy

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    Instituto de Pesquisas Jardim Botânico do Rio de Janeiro Rua Pacheco Leão, 915 - Jardim Botânico, 22460-030 Rio de Janeiro, RJ, Brasil, Tel.: (55 21)3204-2148, Fax: (55 21) 3204-2071 - Rio de Janeiro - RJ - Brazil
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