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Topic: Yucca


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In the News (Tue 21 May 13)

  
  Yucca & Yucca Moth
Yuccas are trunkless shrubs with rosettes of stiff, sword-shaped leaves arising at ground level, or tree-like with distinct trunks and limbs.
The sand-covered, silken cocoon of the chaparral yucca moth (Tegeticula maculata).
Armstrong, W.P. "The Yucca and Its Moth." Zoonooz 72 (4): 28-31.
waynesword.palomar.edu /ww0902a.htm   (2245 words)

  
 Yucca Mountain - Wikipedia, the free encyclopedia
Yucca Mountain is a ridge-line in Nye County, Nevada; composed of volcanic material (mostly tuff) ejected from a now-extinct caldera-forming supervolcano.
Yucca Mountain is located in a remote desert on federally protected land within the secure boundaries of the Nevada Test Site in Nye County, Nevada.
Yucca Mountain is located within Nye County in south central Nevada.
en.wikipedia.org /wiki/Yucca_Mountain   (2111 words)

  
 Yucca Encyclopedia Article @ HillCountryArts.com   (Site not responding. Last check: 2007-11-05)
The yuccas comprise the genus Yucca of 40-50 species of perennials, shrubs, and trees in the agave family Agavaceae, notable for their rosettes of evergreen, tough, sword-shaped leaves and large terminal clusters of white or whitish flowers.
Yuccas have a very specialized pollination system, being pollinated by the yucca moth; the insect purposefully transfers the pollen from the stamens of one plant to the stigma of another, and at the same time lays an egg in the flower; the moth larva then eats some of the developing seeds, but far from all.
Many yuccas also bear edible parts, including fruits, seeds, flowers, flowering stems, and more rarely roots, but use of these is sufficiently limited that references to yucca as food more often than not stem from confusion with the similarly spelled but botanically unrelated yuca.
www.hillcountryarts.com /encyclopedia/Yucca   (370 words)

  
 Yucca Valley, California - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-05)
Yucca Valley is a town located in San Bernardino County, California.
A private school in Yucca Valley is Our Lady of the Desert, a christian school for grades K-12; as well as Joshua Springs, which is a K-12 private school.
Yucca Valley has several parks, most of which are at schools, with the exception of the Community Center parks.
www.barstow.us /project/wikipedia/index.php/Yucca_Valley,_California   (573 words)

  
 Gale Encyclopedia of Alternative Medicine: Yucca
Yucca plants are tree-like succulents of the lily family (Liliaceae) with stemless stiff, pointed leaves that end in a sharp needle.
Yucca extract is used to treat a variety of other conditions, including migraine headaches, colitis, ulcers, wounds, gout, bursitis, hypertension (high blood pressure), and high LDL cholesterol (also called bad cholesterol).
Since yucca has rarely been studied in a scientific setting, it is not known whether it is safe in children, pregnant or lactating women, or people with a history of severe kidney or liver diseases, heart disease, or cancer.
www.findarticles.com /p/articles/mi_g2603/is_0007/ai_2603000747   (1157 words)

  
 AllRefer.com - yucca, Plant (Plants) - Encyclopedia
Yuccas in flower produce a large stalk of white or purplish blossoms.
They are pollinated by the yucca moth, and in its absence they rarely fruit : a striking example of interdependence, since the moth, which lays its eggs during pollination and whose larvae feed on some of the developing seeds, cannot reproduce without the yucca.
Yuccas are classified in the division Magnoliophyta, class Liliopsida, order Liliales, family Liliaceae.
reference.allrefer.com /encyclopedia/Y/yucca.html   (348 words)

  
 The Living Desert - Beaked Yucca
Yucca rostrata, or Beaked Yucca, is typically found growing on rocky bajadas, slopes, or ridges that are comprised of limestone gravel.
Beaked Yucca is the feature plant in the Chihuahua Desert Garden and has been planted in a large grouping at the front of the garden near the sidewalk.
Yucca rostrata is one of the most attractive and effective accent plants available to the southwest gardener and can be planted either as an individual specimen or in a mass planting.
www.livingdesert.org /plants/beaked_yucca.asp   (410 words)

  
 P o i n t | C o u n t e r p o i n t , "If not Yucca Mountain, then what?" An alternative plan for managing ...   (Site not responding. Last check: 2007-11-05)
The geology of Yucca Mountain, volcanic tuff, is not expected to provide an adequate barrier in the long term.
Yucca Mountain is in the desert, but there is evidence that water has welled up into the region in the geologic past according to a study published in 1999 by an independent technical group.
Congress voted to eliminate other contenders and concentrate on Yucca Mountain as the sole site to be examined as a candidate for the first high-level waste repository, even before scientific studies were completed.
www.ananuclear.org /yuccapoint.html   (1995 words)

  
 Yucca plant: a popular Latin American root
Yucca, also known as manioc or cassava, is a white, starchy tropical vegetable that was originally grown by the indigenous peoples who resided in the countries now known as Columbia, Venezuela, and Brazil.
As yucca grows, it is cultivated into a bush-like plant, whose fibrous root is the edible part.
Yucca found in many stores is typically sized from 9 to 15 inches in length, although it can grow much larger.
mtmt.essortment.com /yucarootsplant_rbgw.htm   (611 words)

  
 YUCCA   (Site not responding. Last check: 2007-11-05)
Yucca species, in the lily family (Liliaceae), are relatively large succulent plants, typically 2-4 metres tall.
Yuccas grown in regions where the yucca moth is absent will never produce seeds unless the plants are hand-pollinated.
One of the largest yuccas is the Joshua tree (Yucca brevifolia), which has much-branched stems and can grow to a height of 10 to 15 metres.
helios.bto.ed.ac.uk /bto/desertecology/yuccas.htm   (654 words)

  
 Yucca Mountain   (Site not responding. Last check: 2007-11-05)
Yucca Mountain is unsuitable and unacceptable as a nuclear waste dump.
Yucca Mountain lies on sacred lands of the Western Shoshone Nation_lands that have never legally been ceded to the US government.
Despite being in the desert, there is significant groundwater: in the tunnels, electronic equipment has been ruined by dampness in the caverns; groundwater migrates from the surface in less than 40 years.
www.peacecouncil.net /pnl/02/710/710YuccaMtn.htm   (708 words)

  
 Species: Yucca elata
Soaptree yucca occurs in an irregular, clumped distribution in grasslands dominated by gramas (Bouteloua spp.), threeawns, tobosagrass (Pleuraphis mutica), and dropseeds (Sporobolus spp.) [6,17,32].
Soaptree yucca, creosotebush, and fourwing saltbush (Atriplex canescens) are the predominant shrubs in the large area of dune fields known as the Mesilla Basin, New Mexico and adjacent Chihuahua, Mexico [29].
Growth form of soaptree yucca varies from a single, erect, trunklike stem to several stems in clumps of 1.6 to 8.2 feet (0.5-2.5 m) in diameter [48].
www.fs.fed.us /database/feis/plants/shrub/yucela/all.html   (3700 words)

  
 Yucca (Yucca glauca)   (Site not responding. Last check: 2007-11-05)
Yucca is perennial from a fibrous horizontal or upright stem bearing one or more erect crowns.
Yucca is included in the agave family (Agavaceae) which contains about 600 species arid regions of the world.
Yucca is a native Haitian name, and glauca means "blue-green" in botanical Latin.
www.npwrc.usgs.gov /resource/literatr/wildflwr/species/yuccglau.htm   (286 words)

  
 Yucca: Yucca baccata
This Banana Yucca (Yucca baccata) was on the
The seeds of the yucca provide the sole source of food for the moth larvae and the yucca moths are the only pollinators of the yucca.
Yucca roots are sold in produce sections of supermarkets today, but Native Americans and others have eaten the roots for a long time.
www.explorenm.com /plants/Agavaceae/Yucca/baccata   (752 words)

  
 Datil Yucca- DesertUSA   (Site not responding. Last check: 2007-11-05)
Yucca (yuck-ka) is a Caribbean name for the cassava plant, which originally was named Yucca gloriosa.
The datil yucca has large, stout straplike leaves which are twelve inches to forty inches long, one inch to two inches wide, and are sharply pointed.
The nocturnal yucca, or pronuba, moth has a special relationship with the yucca, so special, in fact, that there is a specific pollinating moth species for each yucca species.
www.desertusa.com /mag00/jun/papr/agave.html   (753 words)

  
 Woodsia - Yucca -- Plant Delights Nursery Catalog Page 69
This Yucca Do collection of this Texas endemic was made from the center of its six-county distribution in Brown County, TX (Zone 7b) where it was growing on limestone rock.
Yucca schottii is another of the spectacular tree yuccas, usually reaching Sasquatch-like proportions of 10-15' tall.
Yucca whipplei is the gunnera of the Southwest.
www.plantdelights.com /Catalog/Fall/page69.html   (2295 words)

  
 Kansas School Naturalist: The Yucca Plant and the Yucca Moth
These yucca plant and their yucca moths are the classic textbook example of "mutualism." And it was discovered over a century ago by a famous entomologist from Missouri.
The yucca pollen is on the anthers at the tips of the stamens; the pollen is sticky and remains so throughout the flowering season--a fact first observed by Riley.
Yucca plants can be purchased at nurseries and carried home with a ball of soil around their roots, to be planted.
www.emporia.edu /ksn/v41n2-june1995/KSNVOL41-2.htm   (4595 words)

  
 Prodoxidae
Charles Riley's 1872 discovery that yucca moths are tied in an obligate pollination/herbivory relationship with their hosts quickly turned them into one of the textbook cases of coevolution.
Since then, yucca moths and greya moths have come to the fore in exploring questions about host shifts and their role in insect speciation, the evolution of insect pollination, and the evolution of cooperation between species.
Mitochondrial DNA phylogeny of the Prodoxidae (Lepidoptera: Incurvarioidea) indicates a rapid ecological diversification of the yucca moths.
www.biology.vanderbilt.edu /BIO/ToLProdox/prodoxidae.html   (1197 words)

  
 Benny's Yucca Page   (Site not responding. Last check: 2007-11-05)
Many of the Yucca species are hardy in Denmark, but some are only suitable for cultivation in large pots, that can be stored either inside an unheated greenhouse, or frost free during the winter period.
In the old world and other places Yuccas has been introduced and has naturalized, but only vegetatively, while Yuccas need a specific moth to be pollinated.
Some species specially in the colder and northern parts of their range, Yucca species tend to be small and trunk less, but in the warmer and tropical areas, some species may become large branched trees up to 10 meter tall (Yucca brevifolia).
www.bennyskaktus.dk /Yucca_UK.htm   (690 words)

  
 Nuclear waste: No way out? - June 2002: YUCCA MOUNTAIN: A radioactive dilemma - MSNBC.com
Yucca geologist John Hartley briefs visitors ahead of the trip inside Yucca Mountain, the center of the national debate over nuclear waste.
Yucca scientists note that more time has gone into studying and testing the site than in sending the first man to the moon.
By law, Yucca scientists don’t have to be as rigorous in their projections of the nuclear waste’s fate beyond 10,000 years.
www.msnbc.msn.com /id/3072031   (1427 words)

  
 botany/yucca
Yuccas produce rosettes of rigid, slender, sword-shaped leaves and tall, candelabrum-like panicles of large, drooping, waxy, bell-shaped flowers.
In mid- to late summer, tall racemes, 3 to 5 feet high, of greenish-white flowers, 2 to 3 inches long, are produced.
Yuccas should be grown in a hot, dry site in well-drained soil in full sun.
www.botany.com /yucca.html   (663 words)

  
 Yucca Lofts - About Us   (Site not responding. Last check: 2007-11-05)
Yucca Lofts - About Us Owned and operated by Mike and Susan Smith, Yucca Lofts has been dedicated to being one of the top breeding facilities in the United States for the past 30 years.
Yucca Lofts was founded in 1971 when Mike and Susan moved into their present home in Glendora, California.
Yucca Lofts is the premier information source for the pigeon racing and breeding community.
www.yuccalofts.com   (497 words)

  
 Yucca
Yuccas are evergreen, perennial shrubs or trees with tough, sword-shaped leaves and large clusters of white, rounded to bell-shaped flowers.
The yucca is entirely dependent on this moth and vice-versa.
Weakleaf yucca resembles Adam’s needle, but has less rigid leaves, straight fibers on the leaf edges and somewhat shorter flower clusters.
hgic.clemson.edu /factsheets/HGIC1077.htm   (814 words)

  
 Herbal Descriptions - Yucca   (Site not responding. Last check: 2007-11-05)
Yucca has a long history of use as a folk remedy employed for treatment of arthritis and rheumatism and is cultivated as an important medicine plant and staple food in South America.
The Yucca root commonly used by herbal healers comes from the flowering Yucca plant, a member of the lily family that can grow to heights of 40 feet or more.
Currently researchers are debating the merits of various studies to determine the efficacy of using Yucca in the treatment of various forms of arthritis.
www.viable-herbal.com /herbdesc4/1yucca.htm   (425 words)

  
 MPIRG's Yucca Mountain Page
Despite this knowledge, there is a push to open up Yucca Mountain as a permanent storage facility, even though it cannot be demonstrated that waste stored there will be protected for even 10,000 years.
Yucca Mountain is sacred to American Indian tribes in the area.
Yucca Mountain is not even designed to be large enough to hold all of the waste that will be produced by the time it opens, yet we keep making more waste.
www.mpirg.org /energy/nuclear/yucca.html   (697 words)

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