Eastern Mojave Vegetation Autecology of Desert Elkweed Frasera albomarginata S. Watson (Syn: Swertia a.) Gentianaceae in the American Southwest (Continued)  
 

Tom Schweich  

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Topics in this Article:
Introduction
Literature Review
Field Work and Methods
Results
Taxonomy
Distribution
Growth Habits
Relationships to Soils and Other Plants
Life History
Discussion
Summary
Literature Cited
Appendix A -- Field Data
Communications Received.
 
This paper was originally presented at the 1999 Desert Research Symposium at the San Bernardino County Museum. The research is ongoing and the paper has been updated as new information becomes available.

You may notice a little schizophrenic appearance to names as I abandon Swertia as the genus and migrate to Frasera.


 

Literature Cited

  A list of all literature cited by this web site can be found in the Bibliography.
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    Anonymous. n.d.. Palomares, Spain Medical Surveillance and Environmental Monitoring. {TAS} http://www.eh.doe.gov/health/ihp/indalo/spain.html
    Anonymous. n. d.. A Hiker's Guide to the Mammals, Birds, Reptiles, and Vegetation of Hualapai Mountain Park. n.d.,.
    Beattle, A. J., D. E. Breedlove and P. R. Ehrlich. 1973. The Ecology of the pollinators and predators of Frasera speciosa. Ecology. 54(1):81-91. {TAS}
    Brandegee, T. S. 1903. Flora of the Providence Mountains. Zoe. 5(9):147-153.
    Burd, Martin, Jenny Read, Gordon D. Sanson, and Tanguy Jaffré. 2006. AGE–SIZE PLASTICITY FOR REPRODUCTION IN MONOCARPIC PLANTS. Ecology. 87(11):2755–2764. {TAS-Abs} Cerberiopsis candelabra, a monocarpic tropical tree.
    Card, Hamilton H. 1931. A Revision of the Genus Frasera. Annals of the Missouri Botanical Garden. 18.
    Chassot, Phillippe. 2003. A new species of Swertia L. (Gentianaceae) from Nepal. Botanical Journal of the Linnean Society. 141(3):389-394.
    Chassot, P., S. Nemomissa, Y.-M. Yuan, and P. Küpfer. 2001. High paraphyly of Swertia L. (Gentianaceae) in the Gentianella-lineage as revealed by nuclear and chloroplast DNA sequence variation. Plant Systematics and Evolution. 229(1-2):1-21. {TAS}
    DeDecker, Mary. 1984. Flora of the northern Mojave Desert, California. Berkeley, CA: Califonia Native Plant Society.. {TAS}
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    Gross, Katherine L. 1984. Effects of Seed Size and Growth Form on Seedling Establishment of Six Monocarpic Perennial Plants. The Journal of Ecology. 72(2):369-387. {TAS-Abs} … in non-competitive cover types (litter and bare soil), seedling weight was independent of initial seed weight … relative growth rates of seedlings in non-competitive cover types were inversely related to seed size … in bare soil and litter, the small-seeded species had relative growth rates twice those of the large-seeded species …
    Hegazy, Ahmad K., and Hanan F. Kabiel. 2007. Significance of microhabitat heterogeneity in the spatial pattern and size-class structure of Anastatica hierochuntica L. Acta Oecologica. 31(3):332-342.
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    HEGZY A. K. ; ISMAIL S. M. 1990. Autecology of the desert monocarpic Rumex cyprius as influenced by water treatment. Acta oecologica. 13(2):193-202.
    Heil, Kenneth D., Steve L. O’Kane, Jr., and Arnold Clifford. 2002. Additions to the Flora of New Mexico from the San Juan Basin Flora Project. The New Mexico Botanist. No. . {TAS-pdf}
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    Hirschberg, Douglas M., and G. Stephen Pitts. 2000. Digital Geologic Map of Arizona: A Digital Database Derived from the 1983 Printing of the Wilson, Moore, and Cooper 1:500,000-scale Map. USGS Open-File Report 00-409.
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    Kamenetsky, Rina. 1994. Life Cycle, Flower Initiation, and Propagation of the Desert Geophyte Allium rothii. International Journal of Plant Sciences. 155(5):597-605.
    Kartesz, John Thomas. 1988. A flora of Nevada. Ph.D. dissertation, University of Nevada, Reno, 1988.. UC Biosciences: QK173.K3 1988a
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    LeBuhn, Gretchen. 2004. Seasonal variation in reproductive traits in Ipomopsis longiflora (Polemoniaceae), a desert annual. Revue Canadienne de Botanique. 82(4):401-408.
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    St. John, Harold. 1931. Revision of the Genus Swertia (Gentianaceae) of the Americas and the Reduction of Frasera. The American Midland Naturalist. 26(1).
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    Xue, Chun-Ying, Ting-Nong Ho, De-Zhu Li. 2007. Embryology of Swertia (Gentianaceae) relative to taxonomy. Botanical Journal of the Linnean Society. 155(3):383-400.
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    Yuan, Yong-Ming, Sébastien Wohlhauser, Michael Möller, Philippe Chassot, Guilhem Mansion, Jason Grant, Philippe Küpfer, and Jens Klackenberg. 2003. Monophyly and relationships of the tribe Exaceae (Gentianaceae) inferred from nuclear ribosomal and chloroplast DNA sequences. Molecular Phylogenetics and Evolution. 28(3):500-517. {TAS}
 

Appendix A -- Field Data

For a listing of field data, click here.
 

Communications Received.

 
  Fri, 15 Sep 1995 23:10:50 -0400. Frasera albomarginata is also found in the New York Mountains of the East Mojave Desert Preserve and has appeared on a plant list for Clark Mtn even though I've not seen it there. Mary DeDecker reports it appearing in the Last Chance Mtns and Dry Mtn in the northern Mojave desert. It seems to be a limestone endemic but I wouldn't think it to be a relic - it's too widespread. Jim Pittman, jmpii@aol.com
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Date and time this article was prepared: 7/3/2017 1:16:10 PM