Disceliaceae in Flora of North America @ efloras.org

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML>  <head>  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-TGK4SMV');</script>  <title>Disceliaceae in Flora of North America @ efloras.org</title> <link rel="stylesheet" type="text/css" href='/templates/eflora.css' /> <script src="JavaScript/eflora.js" type="text/javascript" ></script> </head>  <body> <TABLE id="TableMain" cellSpacing="1" cellPadding="1" width="640" border="0"> <TR> <TD> <script language="javascript"> function jsClearTextBox(sender) { // alert(formSearchBox["name_str"].id); // alert(sender.value); if (sender.value == "taxon name") { sender.value = ""; } } </script> <table id="ucEfloraHeader_tableHeaderWrapper" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <TD style="WIDTH: 479px"><a id="ucEfloraHeader_linkFloraHome" title="Flora Homepage" href="flora_page.aspx?flora_id=1"><img src="images/flora/eflora-logo-1.gif" id="ucEfloraHeader_imageLogo" border="0" alt="Link to Flora of North America home" /><br> </a></TD> <TD valign="bottom" align="right"> <div id="ucEfloraHeader_panelSearchBox">  <FORM name="formSearchBox" action="browse.aspx" method="get"> <TABLE borderColor="#ccffcc" cellSpacing="0" cellPadding="2" width="200" border="1"> <TR> <TD> <span id="ucEfloraHeader_lblSearchBox"><INPUT TYPE='Hidden' NAME='flora_id' ' id='flora_id' VALUE='1' >  <input id=name_str name=name_str   value='' class=small title='Use % as the wildcard (e.g. pinus % or pinus a%)' onfocus='jsClearTextBox(this);' accessKey=s size=15> <input class=small type=submit value=Search name=btnSearch><br> <input name=chkAllFloras type=checkbox > <span class=small>All Floras      <A HREF='search_page.aspx?flora_id=1' TARGET='_top' class='a.link.small'>Advanced Search</A></span> </span></TD> </TR> </TABLE> </FORM>  </div> </TD> </tr> </table> </TD> </TR> <TR> <TD id="tdSubHeader"> <table id="FooterTableOut" width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> <tr> <TD> <table bgcolor="#ffffcc" id="footerTable" width="100%" border="0" cellpadding="2" cellspacing="0"> <tr> <td style="WIDTH: 291px">FNA Vol. 27 Page <b>200</b></td> <TD align="right"> <span id="ucEfloraSubHeader_lblLinks"><a target='_top' href='/login.aspx'>Login</a> | <A HREF='/index.aspx' TARGET='_top' >eFloras Home</A> | <A HREF='/help_page.aspx' TARGET='_top' >Help</A></span></TD> </tr> </table> </TD> </tr> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> </table> </TD> </TR> <TR> <TD id="tdBody"> <table id="tableBody" cellSpacing="0" cellPadding="0" width="100%" border="0"> <tr> <td id="tdLeftBar" valign="top" width="0"></td> <td id="tdContent" vAlign="top" width="1930"> <table width="100%" border="0"> <tr> <td vAlign="top"> <table id="tableTaxonChain" cellspacing="0" cellpadding="1" width="100%" border="0"> <tr> <td><span id="lblTaxonChain" style="font-size:9pt;"><A HREF='flora_page.aspx?flora_id=1' TARGET='_top' TITLE='Flora homepage' >FNA</A> | <A HREF='browse.aspx?flora_id=1' TARGET='_top' >Family List</A> | <A HREF='volume_page.aspx?volume_id=1027&flora_id=1' TARGET='_top' >FNA Vol. 27</A></span></td> </tr> </table> <P></P> <div id="panelTaxonTreatment"> <span id="lblTaxonDesc"> 13. <b>Disceliaceae</b> Schimper <P> Wilfred B. Schofield <P> <P> <p> <p> <b>Plants</b> annual, minute, arising from a perennial persistent protonema. <b>Stems</b> erect, to 0.2 mm, completely enveloped in leaves. <b>Leaves</b> with costa weak or absent, brownish or with little chlorophyll, exterior leaves 0.2-0.4 mm, interior to 1 mm, acuminate, ovate to oblong-lanceolate, margins entire to crenulate by bulging cells; laminal cells elongate-hexagonal to rectangular, thin-walled, 85-100 脳 12-16 碌m, smooth. <b>Specialized asexual reproduction</b> by 2-celled starch-filled rhizoidal gemmae. <b>Sexual condition</b> functionally dioicous; perigonium of 3-6 leaves surrounding a few short antheridia and yellow, club-shaped paraphyses; perichaetium with few brownish, weakly chlorophyllose leaves, these representing the plant. <b>Seta</b> erect, twisted to right when dry, 4-30 mm or more. <b>Capsule</b> wide-mouthed, 0.4-0.7 mm, pale to dark brown when mature, stomata absent; annulus in 1-2 cell rows, deciduous; peristome of 16 reddish brown to orange-yellow lanceolate exostomial teeth, to 0.3 mm, with vertical striations on exterior face, often with longitudinal perforations, endostome delicate, as a sometimes discontinuous membrane adhering to exostomial teeth; operculum conic. <b>Calyptra</b> smooth, sometimes persistent on seta proximal to capsule. <b>Spores</b> 20-30 碌m.<p> Genus 1, species 1: North America, Europe, Asia.<p> <p> <p> <p> Disceliaceae is widely distributed in the Northern Hemisphere but always rare. It is predominantly temperate, but also boreal at lower elevations.<p> <p> SELECTED REFERENCES<p> Duckett, J. G. and S. Pressl. 2003. Studies of protonemal morphogenesis in mosses. IX. <i>Discelium nudum</i>: Exquisite pioneer of unstable clay banks. J. Bryol. 25: 241-245. Shaw, A. J. and B. H. Allen. 1985. Anatomy and morphology of the peristome in <i>Discelium nudum</i> (Musci: Disceliaceae). Bryologist 88: 263-267.<p> <P> </span> <P> </P> <P> <span id="lblLowerTaxonList"><p> <B>Lower Taxon</B><br> <ul> <li><A HREF='florataxon.aspx?flora_id=1&taxon_id=110543' TITLE='Accepted Name' ><b>Discelium</b> Bridel</A></ul> <p> </span></P> <BR clear="all"> <P> </P> <P></P> </div> <P><div id="panelTaxonLinks">  </P> <P> <table id="tableLinkList" cellspacing="0" cellpadding="4" width="100%" border="1"> <tr bgcolor="#ffffcc"> <TD><span id="lblLinkTitle" style="font-size:9pt;"><b>Related Links</b> (opens in a new window)</span></TD> </tr> <tr> <TD> <P><span id="lblLinkList"><p> <b>Other Databases</b> <ul> <li><A HREF='http://mobot.mobot.org/cgi-bin/search_pick?name=Disceliaceae' TARGET='FLORA_LINK' TITLE='W3TROPICOS' >W<SUP>3</SUP>TROPICOS</A> <li><A HREF='http://www.ipni.org/ipni/IpniServlet?family=Disceliaceae&infrafamily=&genus=&infragenus=&species=&infraspecies=&author_abbrev=&publication_title=&is_apni_record=on&is_gci_record=on&is_ik_record=on&include_authors=on&include_basionym_authors=on&query_type=by_query' TARGET='FLORA_LINK' TITLE='IPNI' >IPNI</A></ul> </span></P> </TD> </tr> </table> </div></P> </td> </tr> <tr> <td>  <P></P> <P><span id="lblEditLinks" style="font-size:9pt;"></span></P> <P> </P> </td> </tr> </table> </td> <TD id="tdRightBar" valign="top"></TD> </tr> </table> </TD> <tr> <td> <table id="SubHeaderTableOut" width="100%" border="0" cellpadding="0" cellspacing="0"> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> <tr> <TD> <table bgcolor="#99cc99" id="SubHeaderTable" width="100%" border="0" cellpadding="2" cellspacing="0"> <tr> <TD align="center" bgColor="#ffffcc">  |  <a id="ucEfloraFooter_linkHome" href="index.aspx" target="_top">eFlora Home</a> |  <a id="ucEfloraFooter_linkPeopleSearch" href="person_search.aspx" target="_top">People Search</a>  |  <a id="ucEfloraFooter_linkHelp" href="help_page.aspx" target="_top">Help</a>  |  <a id="ucEfloraFooter_linkActKey" href="http://flora.huh.harvard.edu/china/ActKey" target="_top">ActKey</a>  |  <a id="ucEfloraFooter_Hyperlink2" href="http://flora.huh.harvard.edu/HuCards/" target="_top">Hu Cards</a>  |  <a id="ucEfloraFooter_Hyperlink1" href="glossary.aspx" target="_top">Glossary</a>  |  </TD> </tr> </table> </TD> </tr> <tr> <td bgcolor="#999999"><img src="~/images/layout/dot.gif" alt="" width="100%" height="1"></td> </tr> </table> <p></p> </td> </tr> </TABLE> </body> </HTML>

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Disceliaceae in Flora of North America @ efloras.org