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How Does Oocyte Uptake Occur? A Macroscopic Study of the Ovarian and Oviductal Modifications for Egg Capture in the Coral-Snake Micrurus corallinus
(2018-11-01)
The processes of follicular development, ovulation, egg capture, and egg transport vary among vertebrates. Therefore, analysis of the reproductive tract of several lineages is needed for understanding the evolutionary ...
Fruit evolution in Hydrophyllaceae
(Wiley, 2021)
Premise Fruit type and morphology are tightly connected with angiosperm diversification. In Boraginales, the first-branching families, including Hydrophyllaceae, have one- to many-seeded capsules, whereas most of the ...
Additional observations on the enigmatic Permian plant Buriadia and implications on early coniferophyte evolution
(Elsevier Science, 2010-07)
An extensive collection of compressed altered remains, including leafy shoots and ovules similar to specimens described as Buriadia, is reported from Lower Permian rocks on Mount Gran, Victoria Land, Antarctica. The ...
Caracterização, quantificação e modelagem de danos provocados pela geada no período reprodutivo da canola
(Universidade Federal de Santa MariaBrasilAgronomiaUFSMPrograma de Pós-Graduação em AgronomiaCentro de Ciências Rurais, 2019-02-22)
The objective of this work was to quantify the damage caused by frosts in the reproductive
period of canola and to develop models for their estimation. In 2016 and 2017 two
experiments were carried out ...
Floral anatomy of Neotropical species of Mayacaceae
(Elsevier Gmbh, Urban & Fischer Verlag, 2009-01-01)
The Mayacaceae are a monogeneric monocot family of herbs that grow on swampy areas in the Americas and in Africa. Both the number of species constituting the family and its inter-familial relationships are unclear. By ...
Floral anatomy of Neotropical species of Mayacaceae
(Elsevier Gmbh, Urban & Fischer Verlag, 2009-01-01)
The Mayacaceae are a monogeneric monocot family of herbs that grow on swampy areas in the Americas and in Africa. Both the number of species constituting the family and its inter-familial relationships are unclear. By ...
Caracterização da morfologia floral e da embriologia de espécies de Dyckia Schult. F. (pitcairnioideae - bromeliaceae)
(Universidade Federal de Santa MariaBrasilBioquímicaUFSMPrograma de Pós-Graduação em AgrobiologiaCentro de Ciências Naturais e Exatas, 2017-03-02)
Bromeliaceae is a Neotropical family that presents enormous richness and adaptability in diverse
environments; currently has about 3539 species grouped in eight subfamilies, among them Pitcairnioideae, which
includes the ...
Cearania heterophylla gen. nov et sp nov., a fossil gymnosperm with affinities to the Gnetales from the Early Cretaceous of northern Gondwana
(ELSEVIER SCIENCE BV, 2009)
Vegetative and fertile shoots of a shrub-like seed plant from the late Aptian Crato Formation of Brazil are described as Cearania heterophylla Kunzmann, Mohr and Bernardes-de-Oliveira, gen. nov. et sp. nov. Anatomical ...
Estratégias reprodutivas no gênero Micrurus (Serpentes, Elapidae)
(Universidade Estadual Paulista (Unesp), 2020-11-06)
No Brasil existem basicamente duas linhagens de espécies de coral-verdadeira, conforme o padrão de coloração, grupo de anéis pretos padronizados em mônades(BRM) e o grupo de anéis pretos em tríades (BRT). As espécies de ...
Reproductive biology of Pyrostegia venusta (Ker-Gawl.) Miers (Bignoniaceae) with special reference to seedlessness
(The Society of Plant Reproductive Biology, 2009-01)
Pyrostegia venusta (Ker-Gawl.) Miers syn. Bignonia venusta (Bignoniaceae), commonly known as “orange trumpet creeper”, “flame vine” or “golden shower” bears large number of orange tubular flowers arranged in dichasial cyme. ...