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Related to Gnetales: gnetum, Ginkgoales
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Gnetales - chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms
plant order - the order of plants
class Gnetopsida, Gnetophyta, Gnetophytina, Gnetopsida, subdivision Gnetophytina - gymnospermous flowering plants; supposed link between conifers and angiosperms; in some systems classified as a class (Gnetopsida) and in others as a subdivision (Gnetophytina or Gnetophyta)
family Gnetaceae, Gnetaceae - plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum
Ephedraceae, family Ephedraceae - ephedras: in some classifications included in the Gnetaceae
family Welwitschiaceae, Welwitschiaceae - in some classifications included in the Gnetaceae
References in periodicals archive ?
2012), en los que se ha reportado mayor variedad de helechos, coniferas, gnetales y algunas angiospermas.
Careful comparison of these taxa with extinct and extant plant groups revealed the prevalence of following viz; Gymnosperm, Peltasperms, Gnetales, Medullosales and Ephedralels.
Pollen chambers are known from the earliest fossils of Gnetales (Rothwell & Stockey, 2013).
The anatomical organization of leaves and woody tissues of Gnetum is very similar to those of dicotyledoneous plants (Fisher & Ewers, 1995) to the extent that Gnetales is considered a phylogenetic link between Gymnosperms and Angiosperms (Shutov, Braun, Chesnokov, Horstmann, Kakhovskaya & Baumlein, 1998).
En las epocas post-Cenomanianas, hay una gran reduccion de los Gnetales en el neotropico, aunque es incierto que tan grande o abrupta fue esta reduccion, ya que existen muy pocos estudios al respecto.
Otros trabajos que han aportado conocimiento sobre el grupo son el de Martens (1971) acerca de la anatomia, citologia y embriologia de las Gnetales y el de Pant y Verma (1974), donde se hace un analisis de las caracteristicas de la epidermis y la cuticula en varias especies.
Indeed, several recent studies suggest that the Gnetales are sister to other conifers and not the angiosperms (Goremykin et al.