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Caracterização estrutural da embriologia em Tillandsia aeranthos (Lois.) L. B. SM. (Tillandsioideae-bromeliaceae)
(Universidade Federal de Santa MariaBRCiências BiológicasUFSMPrograma de Pós-Graduação em Agrobiologia, 2012-06-06)
Bromeliaceae owns a huge diversity of species in the Neotropical region, comprising about
3140 species, in which 551 consist of the genus Tillandsia. The article aims the descritption,
of the anther development and ovule ...
Anatomical Features of the Tubercle and Young Sporophyte of the Annual Fern Anogramma chaerophylla Growing in the Punta Lara Natural Reserve (Buenos Aires, Argentina)
(American Fern Society, 2016-10)
The fern genus Anogramma is characterized by the presence of annual sporophytes and tubercles that persist through dry periods. Tubercles may host embryos that develop when climatic conditions are more favorable. As ...
New insights into the functional roles of reactive oxygen species during embryo sac development and fertilization in Arabidopsis thaliana
(Taylor & Francis, 2013-10)
Previously considered as toxic by-products of aerobic metabolism, reactive oxygen species (ROS) are emerging as essential signaling molecules in eukaryotes. Recent evidence showed that maintenance of ROS homeostasis during ...
Temperature effects on photosynthesis in gametophytic and sporophytic stages of the freshwater red alga Sirodotia delicatula (Rhodophyta, Batrachospermales) under a global warming perspective
(2018-01-01)
The increase in Earth's global mean temperature due to human influence has become a major concern, with ecological consequences already being reported around the world. In tropical streams, benthic red algae belonging to ...
Ovule and megagametophyte development in selected species of Apeibeae and Grewieae (Malvaceae–Grewioideae) from South America and its systematic implications
(Csiro Publishing, 2016-08)
Ovule and female gametophyte development in C. argutus, L. divaricata and T. semitriloba was analyzed. The ovules of all species are anatropous, bitegmic and crassinucellate mixed type. The micropyle of the studied species ...
Fase gametofitica del helecho Llavea cordifolia (Pteridaceae)Fase gametofitica del helecho Llavea cordifolia (Pteridaceae)
(Universidad de Costa Rica, 2000)
Morfogénesis de la fase sexual de los helechos epífitos Microgramma mortoniana y Pleopeltis macrocarpa (Polypodiaceae) de la Reserva Natural Punta Lara, Buenos Aires, ArgentinaMorphogenesis of the sexual phase of the epiphytic ferns Microgramma mortoniana and Pleopeltis macrocarpa (Polypodiaceae) Punta Lara Natural Reserve, Buenos Aires, Argentina
(Revista de Biología Tropical, 2018-09)
Sexual morphogenesis phase of the epiphytic ferns Microgramma mortoniana and Pleopeltis macrocarpa (Polypodiaceae) from Punta Lara Natural Reserve, Buenos Aires, Argentina. The Punta LaraNatural Reserve is located on the ...
Audouinella macrospora (Acrochaetiaceae, Rhodophyta) is the Chantransia stage of Batrachospermum (Batrachospermaceae)
(Int Phycological Soc, 1997-05-01)
Twelve field and culture populations of freshwater acrochaetioid algae were examined to compare a bluish species of Audouinella. A. macrospora (Wood) Sheath et Burkholder, with the Chantransia stage of Batrachospermum and ...