Results 1 to 10 of about 1,389 (191)

Phytochemistry, Chemotaxonomy, and Biological Activities of the Araucariaceae Family—A Review [PDF]

open access: yesPlants, 2020
In this review article, the phytochemistry of the species belonging to the Araucariaceae family is explored. Among these, in particular, it is given a wide overview on the phytochemical profile of Wollemia genus, for the first time.
Claudio Frezza   +2 more
exaly   +7 more sources

The complete chloroplast genome of Araucaria cunninghamii (Araucariaceae) [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2020
The chloroplast genome of the Araucaria cunninghamii has been completely sequenced. The genome size is 146,337 bp, and the overall GC content is 36.7%.
Jingyao Ping   +6 more
doaj   +4 more sources

Gymnosperms from the Lower Cretaceous Crato Formation (Brazil). I. Araucariaceae and Lindleycladus (incertae sedis) [PDF]

open access: yesFossil Record, 2004
Fossil conifers from the Early Cretaceous, most likely late Aptian, Crato Formation were studied. The excellent preservation of several of those fossils allowed detailed investigations of the leaf epidermis by light microscope (LM) and by scanning ...
L. Kunzmann   +2 more
doaj   +4 more sources

Drought avoidance and vulnerability in the Australian Araucariaceae [PDF]

open access: yesTree Physiology, 2015
The Araucariaceae is an iconic tree family. Once globally important, the Araucariaceae declined dramatically over the Cenozoic period. Increasing aridity is thought to be responsible for extinction and range contraction of Araucariaceae in Australia, yet little is known about how these trees respond to water stress.
Zimmer, Heidi C.   +4 more
openaire   +5 more sources

Determination of the molecular signature of fossil conifers by experimental palaeochemotaxonomy – Part 1: The Araucariaceae family [PDF]

open access: yesBiogeosciences, 2013
Twelve species of the conifer family Araucariaceae, including Araucaria (6 species), Agathis (3 species) and Wollemia (1 species) genera, were submitted to artificial maturation by confined pyrolysis.
Y. Lu, Y. Hautevelle, R. Michels
doaj   +3 more sources

Recurrent volcanic activity recorded in araucarian wood from the Lower Cretaceous Springhill Formation, Patagonia, Argentina: Palaeoenvironmental interpretations [PDF]

open access: yesActa Palaeontologica Polonica, 2021
This paper describes a petrified trunk collected from a conglomerate bed of the Springhill Formation (Berriasian–Valanginian) in the Estancia El Álamo locality, Santa Cruz Province, Argentina.
Georgina M. Del Fueyo   +3 more
doaj   +1 more source

Gymnosperms from the Lower Cretaceous Crato Formation (Brazil). I. Araucariaceae and Lindleycladus (incertae sedis) [PDF]

open access: yesFossil Record, 2004
Fossil conifers from the Early Cretaceous, most likely late Aptian, Crato Formation were studied. The excellent preservation of several of those fossils allowed detailed investigations of the leaf epidermis by light microscope (LM) and by scanning ...
L. Kunzmann   +2 more
doaj   +1 more source

Somatic Embryogenesis in Conifers: One Clade to Rule Them All?

open access: yesPlants, 2023
Somatic embryogenesis (SE) in conifers is usually characterized as a multi-step process starting with the development of proembryogenic cell masses and followed by histodifferentiation, somatic embryo development, maturation, desiccation, and plant ...
Hugo Pacheco de Freitas Fraga   +3 more
doaj   +1 more source

Complete Chloroplast Genome of the Wollemi Pine (Wollemia nobilis): Structure and Evolution. [PDF]

open access: yesPLoS ONE, 2015
The Wollemi pine (Wollemia nobilis) is a rare Southern conifer with striking morphological similarity to fossil pines. A small population of W. nobilis was discovered in 1994 in a remote canyon system in the Wollemi National Park (near Sydney, Australia).
Jia-Yee S Yap   +12 more
doaj   +1 more source

Species-level determination of closely related araucarian resins using FTIR spectroscopy and its implications for the provenance of New Zealand amber [PDF]

open access: yesPeerJ, 2015
Some higher plants, both angiosperms and gymnosperms, can produce resins and some of these resins can polymerize and fossilize to form ambers. Various physical and chemical techniques have been used to identify and profile different plant resins and have
Leyla J. Seyfullah   +2 more
doaj   +2 more sources

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