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Brazilian Journal of Biology

versión impresa ISSN 1519-6984

Resumen

JESUS JUNIOR, LA; OLIVEIRA, RP; LEITE, KRB  y  SILVA, LB. Comparative analysis of the leaf anatomy in two Parodiolyra species (Poaceae: Olyreae) occurring on forests in Eastern Brazil. Braz. J. Biol. [online]. 2012, vol.72, n.1, pp.205-210. ISSN 1519-6984.  http://dx.doi.org/10.1590/S1519-69842012000100025.

Parodiolyra is a member of Olyreae, a tribe of herbaceous bamboo species within the Poaceae. The genus has five species, four of which were previously regarded as belonging to Olyra L. Parodiolyra has a Neotropical distribution and only two species occur on forests in Eastern Brazil: P. micrantha (Kunth) Zuloaga & Davidse and P. ramosissima (Trin.) Soderstr. & Zuloaga, the first widely distributed in the Neotropics while the second is endemic to the state of Bahia. Leaf anatomy of the two species was analysed with the aid of an optical microscope. The objective was to describe the microscopic characters and evaluate if they can be useful for the taxonomy of the genus. The observed anatomical structures did not differ from other genera of herbaceous bamboos, however some characters, both from the mesophyll and the epidermis, were useful to delimit the two species.

Palabras clave : bambusoideae; microscopic characters; herbaceous bamboos; specific delimitation.

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