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Topic: Urticaceae


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  Urticaceae - Nettle Family
Urticaceae is a small family in Montana, with only 4 species.
In Urticaceae, the plant grows as a large main stem, the leaves are in opposite pairs, and the flowers concentrate in clusters from the leaf axils.
The flowers do not have petals; male flowers have a 4-lobed calyx and 4 stamens - the female flowers are either 4-lobed or 2-lobed and have a pistil that produces a single seed.
montana.plant-life.org /families/Urticaceae.htm   (214 words)

  
 Rosales
In the past, Urticales (Urticaceae, Moraceae, etc.) were kept well separate from Rosaceae, largely because of the very reduced and usually winf-pollinated flowers of the former group, and the other families now included in Rosales were usually placed elsewhere yet again.
Barbeyaceae + Dirachmaceae + Rhamnaceae + Elaeagnaceae + Ulmaceae + Cannabaceae + Moraceae + Urticaceae: trans-spliced intron in nad1 gene [cis-spicing elsewhere].
Urticaceae are variable in habit but have stipulate leaves with boxy venation.
www.mobot.org /MOBOT/Research/APweb/orders/rosalesweb.htm   (5168 words)

  
 Highbeam Encyclopedia - Search Results for Urticaceae   (Site not responding. Last check: 2007-10-17)
nettle NETTLE [nettle] common name for the Urticaceae, a family of fibrous herbs, small shrubs, and trees found chiefly in the tropics and subtropics.
Several genera of nettles are covered with small stinging hairs that on contact emit an irritant (formic acid) which produces a skin rash sometimes called
Modulatory effect of Urtica dioica L. (Urticaceae) leaf extract on biotransformation enzyme systems, antioxidant enzymes, lactate dehydrogenase and lipid peroxidation in mice.
www.encyclopedia.com /SearchResults.aspx?Q=Urticaceae   (239 words)

  
 Sytsma, Kenneth J., Jeffrey Morawetz*, J. Chris Pires, and Clifford W. Morden.
The traditional Urticales (Ulmaceae, Celtidaceae, Cannabaceae, Moraceae, Urticaceae, and Cecropiaceae) is one of the more controversial orders in terms of family circumscriptions and both inter- and intra-familial phylogenetic relationships.
Although the Ulmaceae has now been demonstrated to be sister to the rest of the urticalean lineage with both morphological and molecular data, the circumscription and relationships of the other families has remained unclear and controversial.
The majority of morphological analyses have concluded either that (1) Celtidaceae, Cecropiaceae, Moraceae, and Urticaceae should be combined as one family, or (2) at least Moraceae and Urticaceae should be merged; the placement of Cannabaceae being largely unknown.
www.ou.edu /cas/botany-micro/botany2000/section13/abstracts/232.shtml   (329 words)

  
 KBD: Kew Bibliographic Databases: Search results
Synopsis of Mesoamerican Pilea (Urticaceae), including eighteen typifications and a key to the species.
Kanemoto T. (Karyotypes of Pilea brevicornuta (Urticaceae) and the related taxa in the Ryukyu Islands.) Bull.
Taxonomic novelties in Euphorbiaceae, Piperaceae and Urticaceae.) Bull.
www.kew.org /kbd/advancedsearch.do?keywords=Pilea   (353 words)

  
 Urticalean rosids: circumscription, rosid ancestry, and phylogenetics based on rbcL, trnL-F, and ndhF sequences -- ...
Moraceae are shown to be paraphyletic and authors argue that Moraceae, Cannabaceae, Urticaceae, and Cecropiaceae should be defined as Urticaceae.
to bark are synapomorphies for Cecropiaceae and Urticaceae.
Urticaceae are each strongly monophyletic and are sister families.
www.amjbot.org /cgi/content/full/89/9/1531   (6732 words)

  
 Urticaceae (Nettle Family)
Urticaceae is a small family in the Bay Area, with three native species and two known European varieties.
Some are annual herbs, others are perennials than die back each year and sprout up new growth from an underground root network.
Despite a similar appearance, the Hedge Nettles found on Montara Mountain are not true nettles, but belong to Lamiaceae, the Mint Family.
plants.montara.com /ListPages/FamPages/Urtica.html   (611 words)

  
 [No title]   (Site not responding. Last check: 2007-10-17)
Urticaceae: Information/Images from the University of Hawaii - Manoa)
Urticaceae: Family treatment from Trees and Shrubs of the Andes of Ecuador
Urticaceae: holdings from Ecology & Evolutionary Biology Conservatory - University of Connecticut
www.csdl.tamu.edu /FLORA/cgi/gateway_family?fam=Urticaceae   (240 words)

  
 Urticaceae - LoveToKnow 1911
Read LoveToKnow 1911:Explanation to get more explanation and see how you can help!
URTICACEAE (nettle family), in botany, an order of Dicotyledons belonging to the series Urticiflorae, which includes also Ulmaceae (elm family), Moraceae (mulberry, fig, andc.) and Cannabinaceae (hemp and hop).
It contains 41 genera, with about 50o species, mainly tropical, though several species such as the common stinging nettle (Urtica dioica) are widely distributed and occur in large numbers in temperate climates.
www.1911encyclopedia.org /Urticaceae   (453 words)

  
 Flowering Plant Families, UH Botany
The Urticaceae are monoecious or dioecious herbs or infrequently shrubs or small trees comprising 45 genera and 700 species, often with specialized stinging hairs.
The leaves are alternate or opposite, simple, and almost always stipulate.
Urera glabra, Urticaceae, opuhe, hopue, hona, Hawai'i Volcanoes National Park, Hawai'i, endemic.
www.botany.hawaii.edu /faculty/carr/urtic.htm   (273 words)

  
 Plants from the botanical group Urticaceae
Gardening - Plants from the botanical group Urticaceae
We are constantly adding to and updating the plant database to bring you the most complete plant database in the world!
Can't find the Plants from the botanical group Urticaceae information your are looking for?
www.mygarden.net.au /names/family/12/1   (660 words)

  
 Urticaceae
[ Umbelliferae ] [ Urticaceae ] [ Uvulariaceae ]
Vernacular names of plants within the Family Urticaceae
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/U/Urticaceae.htm   (67 words)

  
 The Probert Encyclopaedia - Animals And Plants (T-Z)
The general colour is puplish brown, and the head bears a large erectile crest.
The upas (Antiaris toxicaria) is a tree of the order Urticaceae, allied to the fig, hop and nettle, found in Java and exuding a milky white juice called antiarin.
Urd (Gram, Black gram, Vigna mungo) is a plant of the order Leguminosae cultivated in trpoical Asia for its edible seeds and as forage.
www.fas.org /news/reference/probert/B9.HTM   (9404 words)

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