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Topic: Asteraceae


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  Asteraceae in Flora of North America @ efloras.org
Asteraceae (Compositae, "composites," or "comps") have long been recognized as a natural group, and circumscription of the group has never been controversial (although some authors have divided the traditional family into three or more families).
Treatment of Asteraceae here differs from some of the recently proposed classifications in that some groups continue to be traditionally circumscribed (e.g., Mutisieae in the broad sense, Heliantheae in the broad sense, including Helenieae and excluding Eupatorieae).
Asteraceae are particularly conspicuous elements of warm-desert and intermountain grasslands, as well as of desert scrubs, notably the intermountain desert scrub where Artemisia dominates (M. Barbour and N. Christensen 1993).
www.efloras.org /florataxon.aspx?flora_id=1&taxon_id=10074   (4747 words)

  
  Asteraceae Summary
Asteraceae (or Compositae), the sunflower family, is the largest family of flowering plants, encompassing some fifteen hundred genera and nearly twenty-five thousand species.
The family Asteraceae or, alternatively, family Compositae, known as the aster, daisy or sunflower family, is a taxon of dicotyledonous flowering plants.
The Asteraceae is the second largest family in the Division Magnoliophyta, with some 1,100 genera and over 20,000 recognized species.
www.bookrags.com /Asteraceae   (900 words)

  
 Asteraceae
The Asteraceae, or Composite family, is one of the easiest to recognize.
The Asteraceae is one of the four largest families, having about 1100 genera and 25,000 species.
Although some of these distinctions may seem rather picky when you are first learning to identify members of the Asteraceae, it is important to realize that bilabiate, ray, and ligulate florets are not identical when one is trying to understand relationships within the family, or place a plant that one has never seen before.
herbarium.usu.edu /taxa/asteraceae.htm   (1232 words)

  
 Asteraceae
Asteraceae, the sunflower family, is one of the easiest plant families to recognize.
The Asteraceae is one of the largest plant families (the largest dicot family, and second only to the Orchidaceae in flowering plants), having 2 subfamilies, 13 tribes (these are all ‘above’ the generic level), 1,100 genera, and about 25,000 species.
The pappus may consist of capillary hairs (fine hairs) that may be plumose (have yet finer hairs on them, like down); or they may have bristles, awns, scales, or no pappus at all (epappose).
www.unlv.edu /Faculty/landau/asteraceae.htm   (1008 words)

  
 Asteraceae
For family names, the modern tendency in taxonomy is to use the name of a familiar plant in a certain family and to add the suffix -aceae to the name.
Wood: In southern Africa, representatives of only six genera are classified as trees, but the wood of only two genera, wild silver oaks (Brachylaena species) and wild camphor trees (Tarchonanthus species), have been reported as being used for building huts, fence posts, handles of utensils and turnery.
It is important to plant daisies in full sun or where they will receive sun for at least half the day to ensure that the 'flowers' will open to their full glory.
www.plantzafrica.com /plantab/asteraceae.htm   (935 words)

  
 Asterales
Asteraceae and its immediate relatives, also vary somewhat according to the gene studied (APG 2003 for references).
Asteraceae are very variable vegetatively, but may be recognised by their capitulate and involucrate inflorescences in which the numerous small centripetally-opening flowers are only sometimes subtended by bracts.
Some Asteraceae have a pump (nüdelspritze) mechanism of secondary pollen presentation (?plesiomorphic), other taxa have a brush mechanism (see Leins and Erbar 2003b for a possibly evolutionary sequence of pollen presentation devices).
www.mobot.org /MOBOT/Research/APweb/orders/asteralesweb.htm   (6404 words)

  
 Encelia (Asteraceae) and its relatives - Publications
Phylogeny and adaptation in the Encelia alliance (Asteraceae: Heliantheae).
Systematic implications of chromenes and benzofurans from Encelia (Asteraceae).
Systematics and biogeography of the Encelia frutescens alliance (Asteraceae: Heliantheae).
www.csupomona.edu /~jcclark/encelia/publications.html   (634 words)

  
 Asteraceae-L
This E-mail discussion forum is devoted to plants of the Asteraceae, or Aster Family, and the issues that surround them- cultivation and propagation methods and issues, identification and nomenclature, economic or ethnobotanical usage, aesthetics and appreciation, and so on.
By cross-posting your relevant communications regarding plants of the Aster Family, Asteraceae (Compositae) to this list, they will be made available to everyone in a single, convenient location, in addition to being scattered throughout the archives of other lists and private files.
Any suggestions, images, taxonomic information, favorite sources of Asteraceae plants and seeds, and other information for, or contributions to, this web site will also be taken under advisement, and in all likelihood, gladly accepted, time permitting.
www.geocities.com /Athens/Olympus/6581/Asteraceae-L.html   (1323 words)

  
 [No title]   (Site not responding. Last check: 2007-11-06)
Asteraceae: Information/Images from the University of Hawaii - Manoa)
Asteraceae: Family treatment from Trees and Shrubs of the Andes of Ecuador
Asteraceae: An overview of the Hawaiian silversword alliance, University of Hawaii - Botany
www.csdl.tamu.edu /FLORA/cgi/gateway_family?fam=Asteraceae   (386 words)

  
 UW-Stevens Point- Freckmann Herbarium: Introduction to Keys to the Asteraceae of Wisconsin
A hard-copy of Keys to The Asteraceae of Wisconsin is available in PDF format (500K).
Note that due to potential copyright violations the illustrations of composite morphology (Appendix A) and the phylogenies (Appendix B) are excluded from this PDF file, as they are from this web-site.
Usually the two generations are haploid and diploid, respectively, resulting in the traditional convention for referring to their chromosome numbers as n = 9 and 2n = 18 (using the commonest chromosome number in the Asteraceae as an example).
wisplants.uwsp.edu /Composites/index.htm   (4972 words)

  
 Asteraceaa (Sunflower) Family Pt 1
As is true throughout the Bay Area and California, the Asteraceae or Sunflower family has more species than any other family of flowering plants.
For identification and classification, the flowers are considered either disk flowers (those with a tubular structure and found in the center disk) or ray flowers (with a flat, petal like corolla distributed around the margins).
Members of Asteraceae may have one or both of these, and the family is usually divided into three categories:
plants.montara.com /ListPages/FamPages/Astera1.html   (692 words)

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