Results 101 to 110 of about 1,802 (206)
Adaptations of succulent plants for survival in desert ecosystems [PDF]
, 2019 Cilj ovog seminara bio je nabrojati prilagodbe sukulentnih biljaka koje su im nužne za preživljavanje u pustinjskim ekosustavima. Sukulenti su biljke koje imaju posebne morfološke i ekofiziološke prilagodbe za pojačano primanje i pohranu vode.
Penzar, Marta
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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 +1 more
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Studies on lignification in wheat (Triticum aestivum var. Thatcher) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Botany at Massey University [PDF]
, 1975 PART I Transections of the stem of Triticum were examined after staining with dyes specific for functional groups within the lignin polymer. Anatomical observations suggest that the basis for the rapid increase in the lignin content of this plant 35 to ...
Le Gal, Patricia Margaret
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Newspecies of Baieroxylon Gregussand Circoporoxylon Kräusel, in Rayoso and Huincul formations (Cretaceous), Neuquén Province, Argentina [PDF]
, 2007 En este trabajo se estudian por primera vez maderas de gimnospermas del Cretácico de la provincia del Neuquén. Los caracteres xilológicos permitieron distinguir dos nuevas especies, Baieroxylon patagonicum sp. nov.
Lutz, Alicia Isabel +1 more
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The Earliest Perfect Flower [PDF]
, 2007 Despite of angiosperms in the Yixian Formation (>125 Ma, early Cretaceous), there is no perfect flower typical of angiosperms to date. Here we report _Euanthus dilaensis_ gen. et sp. nov as the earliest perfect flower known to date.
Shaolin Zheng, Xin Wang
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Acta Botanica MexicanaBackground 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 +3 more
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New Odonatan oviposition ichnotaxa from the Lower Jurassic of Iran
Swiss Journal of PalaeontologyDistinct, 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 +2 more
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CyanoNews (Vol. 4, No. 2, July 1988) [PDF]
, 1988 CyanoNews was a newsletter that served the cyanobacteriological community from 1985 to 2003, with content provided by readers (sort of a blog before there were blogs). The newsletter reported new findings from the lab, summaries of recent meetings (often
Elhai, Jeff
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Are current seed storage approaches suitable for Macrozamia fraseri (Cycadales), a temperate species used in restoration? [PDF]
Conserv Physiol, 2023 Turner SR +5 more
europepmc +1 more source
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 +4 more
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