Comparative morphoanatomical analysis of Mikania species
AUTOR(ES)
Almeida, Valter Paes de, Hirt, Adriana Araci, Raeski, Paola Aparecida, Mika, Beatriz Eloise, Justus, Bárbara, dos Santos, Vera Lucia Pereira, Franco, Célia Regina Cavichiolo, de Paula, Josiane Padilha, Farago, Paulo Vitor, Budel, Jane Manfron
FONTE
Rev. bras. farmacogn.
DATA DE PUBLICAÇÃO
2017-02
RESUMO
ABSTRACT Mikania belongs to the Asteraceae family and includes a wide range of promising pharmacological activities. Several species of Mikania, which is popularly known in Brazil as “guaco”, occur in Southern Brazil and their external morphology is similar. The aim of this study was to investigate the morpho-anatomical characteristics of the leaf and stem of Mikania campanulata, Mikania cordifolia, Mikania glomerata, Mikania hastato-cordata, Mikania microptera and Mikania sessilifolia as a means of providing additional support for differentiating these taxa. The leaves and stems were investigated by employing scanning electron microscopy and light microscopy techniques. The morphological features of Mikania spp. leaves make it possible to differentiate between the species; nevertheless, when the plants were fragmented or pulverized the anatomical features of the leaves and stems supplied additional helpful data in this regard. The main anatomical characteristics were presence of hypodermis and lens shaped epidermal cells, set of trichomes; midrib, petiole and stem shape and vascular pattern; sclerenchymatous ring in the cortex, sclerenchymatous cells and secretory ducts in the pith.
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