Gnetales


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
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 ?
Pollen chambers are known from the earliest fossils of Gnetales (Rothwell & Stockey, 2013).
Indeed, several recent studies suggest that the Gnetales are sister to other conifers and not the angiosperms (Goremykin et al.
Structure and function of female and bisexual organ complexes in Gnetales.
What Brown most importantly recognized, albeit in a somewhat circumlocutious way, was that in cycads, conifers and Gnetales, among extant seed plants, the ovules receive pollen directly, whereas in flowering plants the ovule, being enclosed within a carpel, cannot receive pollen, that being the function of the stigma.
Rudall is doubtful that the monocot cambium is equivalent to secondary thickening meristematic activity in non-monocot angiosperms and Gnetales, and indeed, it is not.