Buscar
Mostrando ítems 31-40 de 186
Microsporogenesis and anther development in Bromeliaceae
(Taylor & Francis As, 2014)
Morphological and chromosomal characterization of Commelina benghalensis L. (Commelinaceae) from ArgentinaCaracterización morfológica y cromosómica de Commelina benghalensis L. (Commelinaceae) de Argentina
(Universidad de Concepción, 2009-04)
Commelina benghalensis is a small herb native to tropical Africa and Asia but introduced elsewhere. In America it was found growing at open fields, border of woods and cultivated areas (south USA, Mexico, West Indies, ...
Pollen and microsporangium development in Hovenia dulcis (Rhamnaceae): a different type of tapetal cell ultrastructure
(Springer Wien, 2016-07)
Despite that there is some literature on pollen morphology of Rhamnaceae, studies addressing general aspects of the microsporogenesis, microgametogenesis, and anther development are rare. The aim of this paper is to describe ...
Pollen development and orbicule and pollen grain morphology in species of cephalanthus (rubiaceae-naucleeae) from the Americas
(Csiro Publishing, 2017)
This paper is the first embryological report on the genus Cephalanthus L. and contributes to future studies in other genera in the tribe Naucleeae. The development of the anther wall in Cephalanthus glabratus (Spreng.) K. ...
Desenvolvimento da antera e do grão de pólen em espécies de Mapania Aubl. (Mapanioideae, Cyperaceae)
(Universidade Estadual Paulista (Unesp), 2016-03-07)
Pseudomônade é o pólen predominante de Cyperaceae, resultante da microsporogênese simultânea tipo-Cyperaceae, onde a tétrade de micrósporos se torna secundariamente reduzida a uma mônade funcional devido à degeneração de ...
CARACTERIZACION MORFOLOGICA Y CROMOSOMICA DE COMMELINA BENGHALENSIS L. (COMMELINACEAE) DE ARGENTINA
(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2009)