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Topic: Themidaceae


In the News (Sun 22 Jul 18)

  
 Development of ovule, embryo sac, and endosperm in Triteleia (Themidaceae) relative to taxonomy -- Berg 90 (6): 937 -- ...
Ovules are anatropous in the Themidaceae, mostly anatropous,
Fay M. Chase 1996 Resurrection of Themidaceae for the Brodiaea alliance, and recircumscription of Alliaceae, Amaryllidaceae and Agapanthoideae.
Pires J. 2000 Biosystematics and molecular phylogenetics of Brodiaea (Themidaceae) and related lilioid monocots.
www.amjbot.org /cgi/content/full/90/6/937   (6177 words)

  
 Liliaceae - Wikipedia, the free encyclopedia
A floral pattern said to be based on a lily or lily-like flower is used in heraldry; see Fleur-de-lis.
The Lily family was formerly a paraphyletic "catch-all" group that included a great number of genera that are now included in other families, and some in other orders, such as Agavaceae, Alliaceae, Amaryllidaceae, Anthericaceae s.s., Asparagaceae, Asphodelaceae, Convallariaceae, Hyacinthaceae, Melanthiaceae, Nartheciaceae, Smilacaceae, Tecophilaeaceae, Themidaceae, Tofieldiaceae, Trilliaceae and Uvulariaceae.
The genus Calochortus, which includes the Sego and Mariposa lilies, and its allied genera are separated into a separate family Calochortaceae in some schemes, while others maintain them as a subfamily of Liliaceae, the Calochortoideae.
en.wikipedia.org /wiki/Liliaceae   (295 words)

  
 [pbs] Dichelostemma--Themidaceae?
Some comments: >Alliaceae have a true bulb (composed of >swollen leaf bases) with a membranous >coat, but the storage organ in >Themidaceae is a corm (composed >of stem tissue.) This is a gross generalization.
Should these non-alliaceous-scented alliums be split off into their own genus, or a new family perhaps.
Consider the genus Allium in it's holistic sense, including Chinese Allium, the "rhiziridium" section of Allium, the stoloniferous Alliums, alliums with varying bract structure, rootstalk structure, even onion smell, and tell me that Themidaceae is justified.
lists.ibiblio.org /pipermail/pbs/2003-May/014167.html   (606 words)

  
 A phylogenetic evaluation of a biosystematic framework: Brodiaea and related petaloid monocots (Themidaceae) -- Pires ...
12 genera postulated to belong to the Themidaceae.
Themidaceae is sister to a different clade that could include
Themidaceae does not appear to be directly related to Alliaceae
www.amjbot.org /cgi/content/full/89/8/1342   (7164 words)

  
 [pbs] Dichelostemma--Themidaceae?
Mark, These changes are based on multiple gene sequences that clearly show that Alliaceae+Amaryllidaceae+Agapanthaceae represent a very well-supported unit, while the former Alliaceae tribe Brodieeae (I can never spell that correctly) of Alliaceae is sister group to the Hyacinthaceae.
There are not a great number of good morphological characters to separate the group, but the lack of bracteoles in Alliaceae, and the gynophores and articulate pedicels in many Themidaceae are good characters.
Though we wish that the DNA sequences were always backed up by lots of morphological or anatomical characters (and sometimes they are, especially when we go back and look carefully), that is not always the case.
lists.ibiblio.org /pipermail/pbs/2003-May/003042.html   (870 words)

  
 [No title]   (Site not responding. Last check: 2007-10-31)
Themidaceae is a recently resurrected plant family of onion-like herbs from western North America.
The family is an ideal model system because several genera (e.g., Brodiaea) are incredibly diverse with respect to floral features, chromosome number, and habitat preference.
Preliminary results have already revealed new morphological, cytological, and ecological insights at various taxonomic levels within the Themidaceae.
www.cs.utexas.edu /users/yguan/NSFAbstracts/Abstracts/BIO/DEB.BIO.a9902169.txt   (147 words)

  
 The Bulbs of the World   (Site not responding. Last check: 2007-10-31)
A very new family is the Themidaceae, which includes Brodiaea and related genera of American bulbs.
The Alliaceae, Amaryllidaceae, Hyacinthaceae, Iridaceae, and Themidaceae are now considered part of the Asparagales.
We have posted some of the phylogenetic trees based on DNA sequences.
www.shieldsgardens.com /amaryllids   (288 words)

  
 [I]Brodiaea[/I] has been transfered from Alliaceae to Themidaceae. - UBC Botanical Garden Forums   (Site not responding. Last check: 2007-10-31)
Plant Systematics: a Phylogenic Approach states that Brodiaea is usually classified under Alliaceae.
However, "recent cladistic analyses have indicated that the genera of Themidaceae are more closely related to Hyanthicaceae than to typical Alliaceae"(2002).
While others grumble about change, appear not to trust it, I think all this new taxonomic information being generated by modern methodology is interesting and exciting.
www.ubcbotanicalgarden.org /forums/showthread.php?t=7916   (221 words)

  
 Angiosperm Families - Alliaceae J.G. Agardh
Perennial; with a basal aggregation of leaves (but sometimes the leaves long-sheathed so as to appear cauline); bulbaceous, or cormous (especially ‘Themidaceae’), or rhizomatous (rarely — e.g.
Stylar canal absent (mostly), or present (‘Themidaceae’, Agapanthus).
Fay and Chase (1996) resurrect Themidaceae and transfer Agapanthus to Amaryllidaceae, on the basis of rbcL DNA sequencing.
delta-intkey.com /angio/www/alliacea.htm   (496 words)

  
 [I]Brodiaea[/I] has been transfered from Alliaceae to Themidaceae. [Archive] - UBC Botanical Garden Forums   (Site not responding. Last check: 2007-10-31)
View Full Version : [I]Brodiaea[/I] has been transfered from Alliaceae to Themidaceae.
June 13th, 2005, 03:43 PM Brodiaea has been transferred from Alliaceae to Themidaceae.
June 13th, 2005, 11:20 PM While others grumble about change, appear not to trust it, I think all this new taxonomic information being generated by modern methodology is interesting and exciting.
www.ubcbotanicalgarden.org /forums/archive/index.php/t-7916.html   (145 words)

  
 Untitled Document   (Site not responding. Last check: 2007-10-31)
Tritilea laxa (Themidaceae), also known as Ithuriel's spear.
All images on perianth are © 2001-2006 Dylan Burge and may not be reproduced without permission
Please contact me (dob7[at]duke.edu) if you would like to receive a high resolution copy of this image
www.duke.edu /~dob7/marinheadlands004.html   (41 words)

  
 Themidaceae
[ Thelypteridaceae ] [ Themidaceae ] [ Theophrastaceae ]
Vernacular names of plants within the Family Themidaceae
For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
www.crescentbloom.com /plants/Familia/T/Themidaceae.htm   (67 words)

  
 Find in a Library: Biosystematics and molecular phylogenetics of Brodiaea (themidaceae) and related lilioid monocots
Find in a Library: Biosystematics and molecular phylogenetics of Brodiaea (themidaceae) and related lilioid monocots
Biosystematics and molecular phylogenetics of Brodiaea (themidaceae) and related lilioid monocots
WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
worldcatlibraries.org /wcpa/ow/483db3b086b60296a19afeb4da09e526.html   (64 words)

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