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Topic: Gomortegaceae

In the News (Thu 16 Feb 12)

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Family compact

	Laurales
		Gomortegaceae + Atherospermataceae: bud scales +; sieve tube plastids also with fibrils; outer not inner A staminodial, style short.
		Gomortegaceae are aromatic plants with opposite, estipulate, entire leaves.
		The flowers are small, with staminodes outside the stamens, the ovary is inferior and syncarpous, and the single-seeded fruit is drupaceous.
	www.mobot.org /MOBOT/Research/APweb/orders/lauralesweb.htm (2435 words)

	American Journal of Botany, 42, 10, December, 1955 (Site not responding. Last check: 2007-10-09)
		Abstract: The xylem of Gomortegaceae is characterized by several primitive features: solitary, long, angular, thin-walled vessel elements, the ends of which show numerous-barred, wholly bordered, scalariform perforation plates; scalariform and transitional intervascular pitting; imperforate tracheary cells which are tracheids; heterogeneous vascular rays and diffuse xylem parenchyma.
		All have unilacunar nodes (two-trace condition at nodal or subnodal levels in Ascarina and Hedyosmum, and Monimiaceae) and some members of Monimiaceae and all Lauraceae possess valvular stamens.
		Thus it is probable that the resemblances between the xylem of Canellaceae and Gomortegaceae have resulted from parallel evolution; the similarities of the xylem in the latter family with the xylem of Chloranthaceae, Monimiaceae and Lauraceae are in all likelihood based on true, and relatively close, relationships.
	www.botany.org /ajb/00029122_di001537.html (2701 words)

	Lecture2K.01.Wilson
		Renner (1999) circumscribed the Laurales using both molecular and morphological data, recognizing the families Calycanthaceae, Lauraceae, Monimiaceae, Hernandiaceae, Siparunaceae, Gomortegaceae, and Atherospermataceae.
		Each node calibration either places the age of the family into the Jurassic (well before any angiosperms appear in the fossil record), or the calibration places the divergence of disjunct sister lineages to well after the separation of their landmasses.
		Along with the very late occurrence of Gomortegaceae, the sister family to Atherospermataceae, the paper concluded that the present distribution of atherospermous taxa was not likely due to vicariance.
	www.biology.ualberta.ca /courses.hp/biol606/OldLecs/Lecture2001.04.Little.html (1005 words)

	Encyclopedia: Avocado (Site not responding. Last check: 2007-10-09)
		Orders see text Dicotyledons or dicots are flowering plants whose seed typically contains two embryonic leaves or cotyledons.
		Families Atherospermataceae Calycanthaceae Gomortegaceae Hernandiaceae Lauraceae Monimiaceae Siparunaceae The Laurales are an order of flowering plants.
		Genera Many; see text The Lauraceae or Laurel family comprises a group of flowering plants included in the order Laurales.
	www.nationmaster.com /encyclopedia/Avocado (2642 words)

	RENNER, SUSANNE S.* AND DONALD B. FOREMAN. (Site not responding. Last check: 2007-10-09)
		To test Schodde's hypotheses on affinities of and within atherosperms, we sequenced three chloroplast DNA regions, the rbcL gene, the rpl16 intron, and the trnL-trnF spacer (together comprising 2614 bp), for most species and all genera, as well as all potential outgroups.
		In agreement with Schodde's phenetic analysis, the molecular data show that the Chilean Gomortega keule, the sole species of Gomortegaceae, is the closest relative of atherosperms (with >90% bootstrap support in a larger parsimony analysis of 24 sequences of Laurales).
		Also in agreement with Schodde, the two Chilean species, Laureliopsis philippiana and Laurelia sempervirens group with different eastern Australian and New Zealand species.
	www.ou.edu /cas/botany-micro/bsa-abst/section13/abstracts/174.shtml (236 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		Gomortegaceae: List of genera from the Royal Botanic Gardens, Kew
		Gomortegaceae: A family overview page and list of genera from the U.S. National Plant Germplasm System
		Gomortegaceae: Full family nomenclature from the INSPV Project
	www.csdl.tamu.edu /FLORA/cgi/gateway_family?fam=Gomortegaceae (34 words)

	DAM - text file for Angiosperm Matrix
		Cinnamomum: (2) Lauraceae, plus probably Hernandiaceae and Gomortegaceae; (1) Laurales other than Calycanthaceae and Chloranthaceae (Monimiaceae sensu lato, Hernandiaceae, Gomortegaceae, Lauraceae).
		Hedycarya: Monimiaceae, another member of the clade of Laurales that probably includes Monimiaceae, Hernandiaceae, Gomortegaceae, and Lauraceae.
		Also included because of suggestions that it is closer to Eupomatia than to other Laurales.
	ucjeps.berkeley.edu /bryolab/GPphylo/Tracheophytes/angiotext.html (926 words)

	Circumscription and phylogeny of the Laurales: evidence from molecular and morphological data -- Renner 86 (9): 1301 -- ...
		Gomortegaceae by their sole species; and Hernandiaceae by one
		Gomortegaceae comprise a single species, Gomortega nitida, for
		1997 Molecular phylogeny of the Gomortegaceae, a Chilean endemic monotypic, and endangered family.
	www.amjbot.org /cgi/content/full/86/9/1301 (6877 words)

	Landscape ecology of a fragmented habitat: the case of the ruil forest in Chile.
		Such habitat transformation is threatening to reduce both biome and species richness.
		In fact, 52% of Chilean threatened species of vertebrates and vascular plants are from temperate regions, including endemic species such as Gomortega keule, the single species representative of the Gomortegaceae family.
		Forest types, such as the ruil forest, is structured by another endemic species, Nothofagus alessandrii, the most primitive of Nothofagus species (Simonetti and Armesto 1991, San Martín and Donoso 1996).
	www.brocku.ca /epi/lebk/grez.html (5682 words)

	American Journal of Botany, 86, 9, September, 1999 (Site not responding. Last check: 2007-10-09)
		Abstract: The order Laurales comprises a few indisputed core constituents, namely Gomortegaceae, Hernandiaceae, Lauraceae, and Monimiaceae sensu lato, and an equal number of families that have recently been included in, or excluded from, the order, namely Amborellaceae, Calycanthaceae, Chloranthaceae, Idiospermaceae, and Trimeniaceae.
		In addition, the circumscription of the second largest family in the order, the Monimiaceae, has been problematic.
		Depending on the correct placement of Calycanthaceae-like fossil flowers, tetrasporangiate anthers with valvate dehiscence (with the valves laterally hinged) may be ancestral in Laurales and lost in modern Calycanthaceae and Monimiaceae.
	www.botany.org /ajb/00029122_di015065.php (3757 words)

	Botanical Electronic News - BEN #226
		From 5-22 March 1982 Chris Brayshaw, Dekalb Russell, an apple grower and fervent naturalist from West Virginia, and I botanized in southern Chile, concentrating on Myrtaceae, conifers, and monogeneric families (the #-marked below) or monotypic, often endemic genera (the *-marked below).
		Some sought-after plants such as Gomortega keule* (Gomortegaceae#) we saw only in the splendid botanical garden at Valdivia.
		We camped several times but otherwise spent nights in low-cost shelters (refugios) and especially inexpensive hotels and motels.
	www.ou.edu /cas/botany-micro/ben/ben226.html (3091 words)

	ICARITO-Ecologia: El bosque (Site not responding. Last check: 2007-10-09)
		Produce un fruto comestible con el que se preparan sabrosas mermeladas.
		Su mayor importancia radica en que es el único representante de la familia Gomortegaceae, por lo que su extinción implicaría la desaparición de toda una familia, lo que conlleva una grave perdida de material genético y un duro golpe en contra de la biodiversidad de Chile y del mundo.
		Al igual que el queule, el pitao es un árbol que produce frutos comestibles.
	icarito.latercera.cl /icarito/2001/838/pag9.htm (761 words)

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