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AngiospermsAristolochiaNupharGymnospermsFlowersGenome, PlantPhylogenyEvolution, MolecularConiferophytaGenes, PlantNymphaeaceaeDNA, PlantOvuleNymphaeaBiological EvolutionBotanyPlant ProteinsDNA, ChloroplastPiceaBryophytaGenome, PlastidFossilsPlantsSelaginellaceaeFernsCycasAlismatidaePollenAnnonaPollinationGene Expression Regulation, PlantPlastidsSeedsTreesGenome SizeArabidopsisPollen TubeEncyclopedias as TopicPiperaceaeRanunculaceaeDevelopmental BiologyKlippel-Feil SyndromeFragariaMeristem
AmborellaMagnoliidsMonocotsNymphaealesLineages of flowerEudicotsAngiospermaeSpeciesPhylogenyPrimitive angiospermsOvaryGenusAncestralEarliestLower CretaceousPollenMagnoliophytaCladeFloralDiversificationPetalsFossil recordAquaticGroupEvidenceRadiationFlowersAdaptationsEvolutionGymnospermsFamiliesEarly
Amborella4
  • In particular, the most basal angiosperms were called the ANITA grade, which is made up of Amborella (a single species of shrub from New Caledonia), Nymphaeales (water lilies, together with some other aquatic plants) and Austrobaileyales (woody aromatic plants including star anise). (wikipedia.org)
  • Floyd, SK & Friedman, WE 2001, ' Developmental evolution of endosperm in basal angiosperms: evidence from Amborella (Amborellaceae), Nuphar (Nymphaeaceae), and Illicium (IIliciaceae) ', Plant Systematics and Evolution , vol. 228, pp. 153 - 169. (monash.edu)
  • Amborella trichopoda is a basal angiosperm and the earliest surviving branch of the angiosperm tree of life. (psu.edu)
  • A Combination of Histological, Physiological, and Proteomic Approaches Shed Light on Seed Desiccation Tolerance of the Basal Angiosperm Amborella trichopoda. (hal.science)
Magnoliids3
  • The basal angiosperms are only a few hundred species, compared with hundreds of thousands of species of eudicots, monocots, and magnoliids. (wikipedia.org)
  • Erbar C (2014) Nectar secretion and nectaries in basal angiosperms, magnoliids and non-core eudicots and a comparison with core eudicots. (springer.com)
  • [1] Gerhard Gottsberger (2016): Generalist and specialist pollination in basal angiosperms (ANITA grade, basal monocots, magnoliids, Chloranthaceae and Ceratophyllaceae): what we know now*.Plant Diversity and Evolution, 131: 263-362. (wikipedia.org)
Monocots1
Nymphaeales1
Lineages of flower2
  • Illicium is a member of the ANITA grade and as such represents one of the basal most lineages of flowering plants. (historiclondontown.org)
  • We began with some intense genomic detective work -- combing through nine previously sequenced plant genomes, plus millions of new gene sequences that the Ancestral Angiosperm Genome Project had gathered from the earliest surviving lineages of flowering plants," dePamphilis said. (psu.edu)
Eudicots5
  • Ranunculales is part of a group of families and orders informally called the basal eudicots. (getty.edu)
  • One of the main characteristics that distinguish these families and other eudicots from the monocotyledons (species with one embryonic leaf in their seed) and basal angiosperms is the pollen, which typically has three openings (colpi) instead of one. (getty.edu)
  • Ranunculales maakt deel uit van een groep families en ordes die men informeel ���basale eudicots' noemt. (getty.edu)
  • Een van de belangrijkste kenmerken die deze families en andere eudicots onderscheiden van de monocotyledonen (soorten met één kiemblaadje in hun zaadjes) en basale angiospermen, zijn de pollen, die doorgaans drie openingen (colpi) hebben in plaats van één. (getty.edu)
  • In addition, its very ancient age raise questions about the very early divergence of the Ceratophyllum clade compared to its position as sister to eudicots (most common group of showy flowering plants) in many recent cladistic analyses about the origin and diversification of angiosperms. (greenhousecanada.com)
Angiospermae1
  • The botanical term "Angiosperm" was coined in the form Angiospermae by Paul Hermann in 1690 , as the name of that one of his primary divisions of the plant kingdom, which included flowering plants possessing seeds enclosed in capsules, in contradistinction to his Gymnospermae, or flowering plants with achenial or schizo-carpic fruits?the whole fruit or each of its pieces being here regarded as a seed and naked. (academickids.com)
Species6
  • With the discovery of the polytenics in tapetum tissue, it was observed that in many other species of various angiosperm families the tapetal cells also display polytene, polyploid or both types of nuclei. (scielo.br)
  • Such cycles have been observed in the anther tapetum of some angiosperm species, as in some Passiflora species and in Papaver rhoeas ( Figure 1a ). (scielo.br)
  • It is the first article proving that Montsechia vidalii, a species that lived between 130 and 125 years ago in the Iberian Peninsula, is one of the most primitive angiosperms discovered so far. (greenhousecanada.com)
  • Although partially damaged prior to its preservation in coniferous resin, the flower of Cyathitepala papillosa retains enough morphological features to justify its description as a new genus and species of fossil angiosperms. (brit.org)
  • Strombothelya gen. nov., a fossil angiosperm with two species in mid-Cretaceous Myanmar amber. (brit.org)
  • The basal-most divergences within the TFC were only significantly supported by Bayesian posterior probabilities (B-PP = 0.99-1), with the ventricosum and dimerum species complexes forming the two earliest diverging lineages. (usda.gov)
Phylogeny1
Primitive angiosperms2
  • Endress PK (1994) Floral structure and evolution of primitive angiosperms: recent advances. (springer.com)
  • The article first proves that Montsechia vidalii is one of the most primitive angiosperms discovered so far. (greenhousecanada.com)
Ovary4
  • A pistil typically consists of an expanded basal portion called an ovary , an elongated section called a style and an apical structure called a stigma that receives pollen. (wikipedia.org)
  • The ovary (from Latin ovum , meaning egg) is the enlarged basal portion which contains placentas , ridges of tissue bearing one or more ovules (integumented megasporangia ). (wikipedia.org)
  • [note 1] A carpel is the female reproductive part of the flower-usually composed of the style, and stigma (sometimes having its individual ovary, and sometimes connecting to a shared basal ovary) -and usually interpreted as modified leaves that bear structures called ovules , inside which egg cells ultimately form. (wikipedia.org)
  • The fertilized angiosperm ovule develops into a seed, and the ovary develops into the fruit. (wikipedia.org)
Genus2
  • Montsechia is more ancient or contemporaneous with the aquatic plant Archaefructus, an extinct genus of Lower Cretacious angiosperm from China. (greenhousecanada.com)
  • The genus Aristolochia comes under the family Aristolochiaceae, a conspicuous family with distinctive and showy flowers positioned among the basal angiosperms. (plantsjournal.com)
Ancestral3
  • They diverged from the ancestral angiosperm lineage before the five groups comprising the mesangiosperms diverged from each other. (wikipedia.org)
  • Endress PK (2011) The flowers in extant basal angiosperms and inferences on ancestral flowers. (springer.com)
  • This plant was included in the Ancestral Angiosperm Genome Project. (psu.edu)
Earliest1
  • The earliest known fossil confidently identified as an angiosperm, Archaefructus liaoningensis , is dated to about 125 mya in the Lower Cretaceous . (wikipedia.org)
Lower Cretaceous1
  • The article published in PNAS is centred on a Lower Cretaceous aquatic angiosperm - Montsechia vidalii (Zeiller) Texeira - which presents an atypical morphology and has been the focus of many scientific studies. (greenhousecanada.com)
Pollen1
  • [9] Pollen probably of angiosperm origin takes the fossil record back to about 130 mya. (wikipedia.org)
Magnoliophyta2
Clade1
  • Our analysis revealed that Cylindrocarpon formed a basal monophyletic sister to a 'terminal Fusarium clade' (TFC, sensu Gräfenhan et al. (usda.gov)
Floral2
  • [1] Gynoecium development and arrangement is important in systematic research and identification of angiosperms , but can be the most challenging of the floral parts to interpret. (wikipedia.org)
  • 2007. Floral phyllotaxis in basal angiosperms: Development and evolution. (brit.org)
Diversification2
  • Sept. 4, 2015, Barcelona - An article published in the journal Proceedings of the National Academy of Sciences (PNAS) proves that the very early evolution and diversification of flowering plants or angiosperms on the Earth took place by colonizing freshwater aquatic habitats. (greenhousecanada.com)
  • Closas notes that "this indicates that aquatic plants were locally common at a very early stage of angiosperm evolution and that aquatic habitats may have played a major role in the diversification of some early angiosperm lineages. (greenhousecanada.com)
Petals2
  • Flowers are an innovative characteristic of angiosperms, and elaborate petals usually have highly specialized structures to adapt to different living environments and pollinators. (springer.com)
  • Christensen KI, Hansen HV (1998) SEM-studies of epidermal patterns of petals in the angiosperms. (springer.com)
Fossil record3
  • WebThus, it is suggested here that the multitude of resources available on the terminal branches of the newly evolved angiosperm, rain forest trees led to the morphological adaptations of 35 - Based on genetic analysis of living primates calibrated by the fossil record, it is estimated that apes and Old World monkeys diverged into separate lineages around: 36 - Which fossil group is characterized by an eye orbit fully enclosed by bone? (founderops.com)
  • The first evidence of angiosperms appears in the fossil record approximately 140 million years ago, during the Jurassic period (203-135 million years ago). (academickids.com)
  • The great angiosperm radiation, when a great diversity of angiosperms appear in the fossil record, occurred in the mid-Cretaceous (approximately 100 million years ago). (academickids.com)
Aquatic3
  • The scientific study opens new questions about the antiquity and role of aquatic flowering plants in early angiosperm diversity and domination of world vegetation. (greenhousecanada.com)
  • Montsechia was an aquatic angiosperm living and reproducing below the surface of the water similar to Ceratophyllum. (greenhousecanada.com)
  • such aquatic Angiosperms are not, however, primitive forms, but are derived from immediate land-ancestors. (academickids.com)
Group5
  • They belong to the group of the very first angiosperms (flowering plants). (historiclondontown.org)
  • [1] Although in general, this is true, it is not true of one great group of angiosperms: the grasses . (wikipedia.org)
  • From that time onwards, so long as these Gymnosperms were, as was usual, reckoned as dicotyledonous flowering plants, the term Angiosperm was used antithetically by botanical writers, but with varying limitation, as a group-name for other dicotyledonous plants. (academickids.com)
  • By the late Cretaceous, angiosperms appear to have become the predominant group of land plants, and many fossil plants recognizable as belonging to modern families (including beech , oak , maple , and magnolia ) appeared. (academickids.com)
  • BACKGROUND: Seagrasses are a polyphyletic group of monocotyledonous angiosperms that have evolved to live entirely submerged in marine waters. (bvsalud.org)
Evidence2
  • Molecular evidence indicates that the ancestors of angiosperms diverged from the gymnosperms during the late Devonian , about 365 million years ago. (wikipedia.org)
  • Based on current evidence, it is seems that the ancestors of the angiosperms and the Gnetophytes diverged from one another during the late Triassic (220-202 million years ago). (academickids.com)
Radiation2
  • The angiosperm radiation hypothesis proposes that: - Q/A (Question and Answer) Sara Graham Test Answer Answer: certain primate traits were responses to the acquisition of fruit during the Cenozoic. (founderops.com)
  • Carpolestes 6.8.2: Major Hypotheses About Primate Origins Social Sci LibreTexts, 8.who developed the visual predation hypothesis, 9.Anthro Chap 9 Flashcards.pdf 1 The arboreal hypothesis, the angiosperm radiation hypothesis proposes that, 10+ super 8 by wyndham fort mitchell cincinnati area most standard, 9+ immortal way of life game most standard, 9+ bed bath and beyond makeup organizer most standard. (founderops.com)
Flowers3
Adaptations1
Evolution1
  • The trend of the evolution of the plant kingdom has been in the direction of the establishment of a vegetation of fixed habit and adapted to the vicissitudes of a life on land, and the Angiosperms are the highest expression of this evolution and constitute the dominant vegetation of the earth's surface at the present epoch. (academickids.com)
Gymnosperms1
Families2
  • Orde van 7 families, 199 genera en 4445 soorten bloeiende planten. (getty.edu)
  • These families of angiosperms have the longest continuous history with the Gondwanan landmass. (wikipedia.org)
Early1
  • Fossil plants with some identifiable angiosperm characteristics appear in the Jurassic and early Cretaceous (135-65 million years ago), but in relatively few and primitive forms. (academickids.com)