Results 51 to 60 of about 267 (145)
Revision of Sagenopteris (Caytoniales): a major lineage of the Mesozoic seed plants
Papers in Palaeontology, Volume 10, Issue 6, November/December 2024.Abstract Sagenopteris is the most common fossil organ attributed to Caytoniales and is represented by compound leaves having several (usually four) lanceolate leaflets in pseudo‐palmate arrangement. Since Presl's description of Sagenopteris in 1838, at least 82 species have been identified worldwide.
Yuanyuan Xu +5 more
wiley +1 more source
Rodriguésia, 2023 A long-term fern demography study that included measurements of plant traits of three species in the dimorphic genus Danaea (1991-2009) was conducted in a rainforest in Puerto Rico beginning two years after the first major hurricane (Hugo) since the ...
Joanne Mary Sharpe
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Una nueva especie de helecho del género Danaea (Marattiales: Marattiaceae) endémica de Costa Rica
Revista de Biología Tropical, 2006 Se describe e ilustra una especie nueva endémica de helecho de Costa Rica, Danaea tuomistoana A. Rojas (Marattiaceae), caracterizada porque las pinnas son incisas 2/5-1/2 entre la costa y el margen, y son cuneadas en la base.
Alexander Fco Rojas Alvarado
doaj
Flora del Bajío y de Regiones Adyacentes, 1993 Esta familia tiene afinidades distantes con otros helechos ya extintos y (excluyendo Ophioglossales) generalmente es considerada como el grupo sobreviviente más primitivo de los fílices. Está representada por 6 ó 7 géneros de amplia repartición; para América (y México) se reconocen dos géneros, de los cuales sólo Marattia se encuentra en el área de ...
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Journal of Chemistry, Volume 2024, Issue 1, 2024.Objective. The red rhizome of Angiopteris helferiana has been used widely to treat muscle fatigue, bone pain, and skin infection in Nepal. However, scientific evidence for its bioactive compounds and their bioactivities was lacking till January, 2024. Therefore, we investigated to validate and advance the further use and development. Methods.
Ram Kishor Yadav +10 more
wiley +1 more source
Journal of Palaeogeography, 2019 The coal horizons of the Middle Jurassic Hojedk Formation of East-Central Iran are fossiliferous, bearing numerous well-preserved fossil plants, comparable to the Shemshak Group/Formation in the Alborz Mountains in Northern Iran.
Mohammad Taghi Badihagh, Dieter Uhl
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Stipular Bud Development in Danaea wendlandii (Marattiaceae)
American Fern Journal, 1991 It has long been known that large numbers of buds are produced around the leaf bases of sporophytes in the Marattiales (Gwynne-Vaughan, 1905), and extensive use has been made of this phenomenon in propagation of Angiopteris and Marattia (West, 1917). Danaea is a neotropical genus in the Marattiaceae comprising about 20 species, all of which are limited
Sharpe, Joanne M, Jernstedt, Judith A
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First record of Goniopteris schaffneri (Fée) Salino & T.E.Almeida, comb. nov. (Thelypteridaceae) and Marattia laxa Kunze (Marattiaceae) in the state of Hidalgo, Mexico [PDF]
Check List, 2017 The presence of Goniopteris schaffneri (Fée) Salino & T.E.Almeida, comb. nov. and Marattia laxa Kunze is reported for the first time for the state of Hidalgo, Mexico.
Adriana G. Hernández-Álvarez +2 more
doaj +3 more sources
Acta Botânica Brasílica, 1988 Apresenta-se um levantamento das espécies de pteridófitas coletadas em cerca de 55 municípios do Estado de Pernambuco, visando ao estudo da distribuição da flora pteridofítica pelas várias zonas fisiográficas.
Iva Carneiro Leão Barros +2 more
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Morfología de esporas y sinangios en especies neotropicales del helecho Marattia (Marattiaceae)
Revista de Biología Tropical, 2011 La familia Marattiaceae, que incluye de cuatro a seis géneros, presenta estructuras esporógenas de dos tipos: sinangios en Christensenia, Danaea y Marattia; y soros con eusporangios libres en Angiopteris y Archangiopteris.
María del Carmen Lavalle +2 more
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