Buscar
Mostrando ítems 21-30 de 73
Ontogênese da antera, microsporogênese e microgametogênese de Dyckia strehliana H. Büneker & R. Pontes (bromeliaceae)
(Universidade Federal de Santa MariaBrasilCiências BiológicasUFSMPrograma de Pós-Graduação em AgrobiologiaCentro de Ciências Naturais e Exatas, 2021-03-26)
Many species of angiosperms are considered rheophytes, that is, they develop in the
banks of streams and fast-flowing rivers and are subject to the action of frequent floods,
as is the case of Dyckia strehliana ...
Use of anatomical, chemical, and molecular genetic characteristics in the quality control of medicinal species: a case study of sarsaparilla (Smilax spp.)
(Springer, 2014-12-01)
Species of the genus Smilax, popularly known as sarsaparilla, are used in folk medicine as a tonic, an anti-rheumatic, and an anti-syphilis treatment, and are sold in Brazilian drugstores without any quality control regarding ...
Calcium oxalate crystals in plant communities of the southeast of the Pampean Plain, Argentina
(Springer Tokyo, 2018)
Calcium oxalate crystals (COC) are one of the most prevalent and widely distributed biomineralizations in plants. The aim of this work is to analyze and compare the data previously reported about the presence and production ...
Acrocomia aculeata (Jacq.) Lodd. ex Mart. (Arecaceae) no Norte de Minas Gerais: morfoanatomia de flores e frutos e aspectos da biologia reprodutiva
(Universidade Federal de Minas GeraisUFMG, 2012-12-20)
Acrocomia aculeata is a palm economically important, especially for the potential of oleaginous fruit. The objective was to conduct the study morfoanatômico of flowers and fruits, and addressing aspects of the reproductive ...
The last millennium viewed from a fine-resolution freshwater diatom record from northwestern Patagonia
(Elsevier Ltd, 2022)
© 2022 Elsevier LtdLittle is known about the response of terrestrial and aquatic ecosystems to changes in climatic and human influences during the last millennium in northwestern Patagonia (NWP, 40°-44°S). By virtue of ...
Análise da toxidez de Cd e Pb em Brachiaria brizantha utilizando métodos quimiométricos e microscopia eletrônica de transmissão
(UNIVERSIDADE FEDERAL DE LAVRASDQI - Programa de Pós-graduaçãoUFLABRASIL, 2014)
COMPARATIVE MORPHOLOGY AND ANATOMY OF THE LEAF AND STEM OF PEPEROMIA DAHLSTEDTII C.DC., OTTONIA MARTIANA MIQ. AND PIPER DIOSPYRIFOLIUM KUNTH (PIPERACEAE)
(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2004)