Results 71 to 80 of about 428 (163)

Estimación de heredabilidad y correlaciones genéticas en caracteres morfológicos y fisiológicos para una población de Zamia obliqua A.Br. (Zamiaceae: Cycadales)

Actualidades Biológicas, 2014
La respuesta a la selección natural en caracteres cuantitativos en una población natural depende de la magnitud de variabilidad genética y las correlaciones genéticas en los rasgos, y estos parámetros genéticos pueden diferir entre categorías de rasgos ...
Natalia Gómez-Lopera, Cristina López-Gallego   +1 more
doaj  

High-performance liquid chromatography – diode array detection method validation for amentoflavone-type biflavonoids in five Encephalartos species with potential neuroprotective activity

Scientific Reports
Ginkgo biloba is a well-known food supplement for enhancing memory and is rich in biflavonoids. Biflavonoids are predominant in the Order Cycadales (cycads). Among cycads, five Encephalartos species, E. ferox, E. kisambo, E. laurentianus, E.
Zainab G. El-Natory, Hayam S. Ahmed, Dalia El Amir, Nada S. Abdelwahab, Abeer Moawad   +4 more
doaj   +1 more source

New Odonatan oviposition ichnotaxa from the Lower Jurassic of Iran

Swiss Journal of Palaeontology
Distinct, new oviposition lesion types, Paleoovoidus pyriformis ichnosp. nov. and Variomorphonotatus sagittaeformis ichnogen. et ichnosp. nov., occurring on two fossil compression Cycadophyte leaves from the Lower Jurassic Shemshak Formation of western ...
Hossein Hashemi, Solmaz Sadeghi, Torsten Wappler   +2 more
doaj   +1 more source

Reestablishment of Zamia lawsoniana (Zamiaceae, Cycadales), an endemic species of Mexico, with first description of the ovulate strobilus

Acta Botanica Mexicana
Background and Aims: Zamia, with 86 species, is the most diverse Neotropical cycad genus. In Mexico, 18 species occur, of which 15 are endemics. These taxa are distributed from sea level to 1200 m a.s.l.
Fernando Nicolalde-Morejón, Lilí Martínez-Domínguez, Marlon Aramis González-Aguilar, Dennis Wm. Stevenson   +3 more
doaj   +1 more source

A Comprehensive Evolutionary Study of Chloroplast RNA Editing in Gymnosperms: A Novel Type of G-to-A RNA Editing Is Common in Gymnosperms. [PDF]

Int J Mol Sci, 2022
Huang KY, Kan SL, Shen TT, Gong P, Feng YY, Du H, Zhao YP, Wan T, Wang XQ, Ran JH.   +9 more
europepmc   +1 more source

Are current seed storage approaches suitable for Macrozamia fraseri (Cycadales), a temperate species used in restoration? [PDF]

Conserv Physiol, 2023
Turner SR, Pedrini S, Just M, Grose D, Willyams D, Dixon KW.   +5 more
europepmc   +1 more source

A NEW ARBORESCENT SPECIES OF ZAMIA (CYCADALES, ZAMIACEAE) FROM THE DEPARTMENT OF HUILA, EASTERN CORDILLERA OF COLOMBIA

Caldasia, 2012
Zamia huilensis Calonje, Esquivel, & D.W. Stev., a new arborescent species from theEastern Cordillera of Colombia (Department of Huila), is described and illustrated. Itis compared to Z.
Calonje Michael, Esquivel Héctor Eduardo, Morales Gustavo, Mora-Lizcano Yhon Alber, Stevenson Dennis   +4 more
doaj  

Reproductive phases coincide with changes in morphology and photosynthetic physiology in an endangered cycad species. [PDF]

Conserv Physiol, 2023
Krieg CP, Gosetti S, Watkins JE, Griffith MP, McCulloh KA.   +4 more
europepmc   +1 more source

Characterization of the complete chloroplast genome of Cycas ferruginea, a vulnerable species. [PDF]

Mitochondrial DNA B Resour, 2022
Yang X, Deng T, Tang W, Wu T.
europepmc   +1 more source

Convergent evolution in the late Permian megaphyllous leaves of the Noeggerathiales progymnosperm Paratingia and the cycad Plagiozamites. [PDF]

Ann Bot
Qin YF, He XY, Wang SJ, Cheng X, Hilton J, Rothwell GW.   +5 more
europepmc   +1 more source