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vol.36 número1Floristic, edaphic and structural characteristics of flooded and unflooded forests in the lower Rio Purús region of central Amazonia, BrazilFloristic studies in township of Presidente Figueiredo, Amazonas. Brazil: I. families Annonaceae and Gnetaceae índice de autoresíndice de materiabúsqueda de artículos
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Acta Amazonica

versión impresa ISSN 0044-5967versión On-line ISSN 1809-4392


ROSARIO, Alessandro Silva do  y  SECCO, Ricardo de S.. Sinopse of the species of Marlierea Cambess. (Myrtaceae) in Amazonian Brazil. Acta Amaz. [online]. 2006, vol.36, n.1, pp.37-51. ISSN 0044-5967.

A morphological study of Marlierea Cambess. occurring in Amazonian Brazil was carried out in order to obtain a better understanding of the morphology and taxonomy of all species in the region and to provide data to elucidate the taxonomic segregation of Marlierea from the morphologically similar Myrcia DC. ex Guill. In Amazonian Brazil, Marlierea is represented by 11, primarily forest, species (Marlierea bipennis (O. Berg) McVaugh, M. caudata McVaugh, M. ensiformis McVaugh, M. ferruginea (Poir.) McVaugh, M. mcvaughii B. Holst, M. scytophylla Diels, M. spruceana O. Berg, M. subulata McVaugh, M. summa McVaugh, M. umbraticola (Kunth) O. Berg, and M. velutina McVaugh). The taxonomically problematic M. obumbrans (O. Berg) Nied. is discussed as a badly known species. The species are trees or shrubs with opposite leaves (sometimes alternate in M. velutina); inflorescences racemose or paniculate (in panicles, cymes, or dichasiums), sometimes in fasicles; flower buds generally closed; calyx lobes 4-5, opening irregularly; and petals frequently absent. The states of Amazonas and Pará are the most species-rich. Marlierea spruceana and M. umbraticola are the most common species. Additional studies of M. obumbrans, morphologically intermediate between Marlierea and Myrcia, will be untaken in the future in order to establish the correct taxonomic placement of this enigmatic species.

Palabras clave : Myrtaceae; Marlierea; Taxonomy; Amazonia.

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