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Univ Fed Minas Gerais, Inst Ciencias Biol, Dept Bot, BR-31270901 Belo Horizonte, MG, Brazil
Extrafloral nectaries (EFNs) are structurally variable and widely spread among the angiosperms. The occurrence of EFNs in leaves of Pterodon polygalaeflorus Benth. and Pterodon pubescens Benth.… (More)
Com o objetivo de estudar a relacao entre cristais de oxalato de calcio e floema, fragmentos de folhas de Peltodon radicans foram fixados e processados, segundo metodos usuais, para estudos ao… (More)
The aim of this work was to study the effects of five different light intensities on the anatomical structure and on the pigment contents in leaves of Tradescantia pallida cv. purpurea. Once light… (More)
Abstract Root growth inhibition is a well-known symptom of aluminum (Al) toxicity in intact plants, mainly because the mechanisms of Al exclusion or resistance that operate outside the root… (More)
Recent bamboo collections from Brazil, and the study of specimens from several Brazilian herbaria revealed that the species described as Eremocaulon setosum, subtribe Guaduineae, in fact fits within… (More)