{"id":1700,"date":"2014-12-02T09:41:08","date_gmt":"2014-12-02T09:41:08","guid":{"rendered":"http:\/\/blogs.reading.ac.uk\/crg\/?p=1700"},"modified":"2014-12-02T09:41:08","modified_gmt":"2014-12-02T09:41:08","slug":"day-2-botanical-advent-calendar-viscum-album","status":"publish","type":"post","link":"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/","title":{"rendered":"2014 Botanical Advent Calendar &#8211; Day 2 &#8211; Viscum album"},"content":{"rendered":"<h3>2nd December &#8211; <em>Viscum album<\/em> (Mistletoe)<\/h3>\n<p><span class=\"userContent\">2nd day of <a class=\"_58cn broken_link\" href=\"https:\/\/www.facebook.com\/hashtag\/adventbotany\">#AdventBotany<\/a> &#8211; <em>Viscum album<\/em> &#8211; another evergreen but this time more sinister. This hemi-parasitic plant grows on a range of broadleaved trees including apple, linden and oak. It has a long tradition in Druidic ritual and the Ro<span class=\"text_exposed_show\">mans report the harvesting of the species from Quercus (oak) by celtic druids using a golden sickle. This poisonous plant contains the lectin viscumin which is similar to ricin. <\/span><\/span><!--more--><\/p>\n<p><span class=\"userContent\"><span class=\"text_exposed_show\">From the 16th century mistletoe became associated with kissing in some Christian cultures. In the photo below you can see part of the entry on <em>Viscum<\/em> from Lyte&#8217;s &#8216;A niewe Herball&#8217; published in 1578. This is the oldest book held by <a href=\"https:\/\/www.facebook.com\/theuniversityofreading\" class=\"broken_link\">University of Reading<\/a> Herbarium.<\/span><\/span><\/p>\n<figure id=\"attachment_1701\" aria-describedby=\"caption-attachment-1701\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/blogs.reading.ac.uk\/crg\/files\/2014\/12\/Vifcum_albumRNGherb2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1701\" src=\"http:\/\/blogs.reading.ac.uk\/crg\/files\/2014\/12\/Vifcum_albumRNGherb2-1024x772.jpg\" alt=\"Viscum album in Lyte's Herball of 1578\" width=\"600\" height=\"453\" srcset=\"https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/Vifcum_albumRNGherb2-1024x772.jpg 1024w, https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/Vifcum_albumRNGherb2-300x226.jpg 300w, https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/Vifcum_albumRNGherb2-768x579.jpg 768w, https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/Vifcum_albumRNGherb2.jpg 1200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-1701\" class=\"wp-caption-text\"><i>Viscum album<\/i> in Lyte&#8217;s Herball of 1578<\/figcaption><\/figure>\n<p>Among the herbarium specimens of Viscum album we have a collection of correspondence and phtographs from the 1930s when UK botanists seemed keen to find this hemi-parasite on new hosts.<\/p>\n<div id='gallery-1' class='gallery galleryid-1700 gallery-columns-3 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/research.reading.ac.uk\/herbarium\/armitagethodayletterviscum\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/ArmitageThodayLetterViscum-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-1702\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-1702'>\n\t\t\t\tA letter from Professor Thoday of Bangor to Miss Armitage on the subject of mistletoe hosts.\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/research.reading.ac.uk\/herbarium\/viscumonilexphoto\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/ViscumonIlexPhoto-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-1704\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-1704'>\n\t\t\t\t<i>Viscum album<\/i> photographed growing on <i>Ilex aquifolium<\/i>.  Reputed to be the first UK record of this.\n\t\t\t\t<\/figcaption><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/research.reading.ac.uk\/herbarium\/viscumonilex\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/ViscumonIlex-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-1703\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-1703'>\n\t\t\t\tA specimen of this <i>Viscum album<\/i>\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<p>For notes on the chemistry of mistletoe see <a title=\"11 Tyramine\" href=\"http:\/\/www.compoundchem.com\/2014advent2\/#day11\" target=\"_blank\" rel=\"noopener noreferrer\">Tyramine<\/a> on the Chemistry Advent Calendar.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2nd December &#8211; Viscum album (Mistletoe) 2nd day of #AdventBotany &#8211; Viscum album &#8211; another evergreen but this time more sinister. This hemi-parasitic plant grows on a range of broadleaved&#8230;<a class=\"read-more\" href=\"&#104;&#116;&#116;&#112;&#115;&#58;&#47;&#47;&#114;&#101;&#115;&#101;&#97;&#114;&#99;&#104;&#46;&#114;&#101;&#97;&#100;&#105;&#110;&#103;&#46;&#97;&#99;&#46;&#117;&#107;&#47;&#104;&#101;&#114;&#98;&#97;&#114;&#105;&#117;&#109;&#47;&#50;&#48;&#49;&#52;&#47;&#49;&#50;&#47;&#48;&#50;&#47;&#100;&#97;&#121;&#45;&#50;&#45;&#98;&#111;&#116;&#97;&#110;&#105;&#99;&#97;&#108;&#45;&#97;&#100;&#118;&#101;&#110;&#116;&#45;&#99;&#97;&#108;&#101;&#110;&#100;&#97;&#114;&#45;&#118;&#105;&#115;&#99;&#117;&#109;&#45;&#97;&#108;&#98;&#117;&#109;&#47;\">Read More ><\/a><\/p>\n","protected":false},"author":49,"featured_media":1701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"__cvm_playback_settings":[],"__cvm_video_id":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[52,53,54],"tags":[29],"class_list":["post-1700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advent","category-herbarium-rng","category-public-engagement-with-science","tag-adventbotany"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2014 Botanical Advent Calendar - Day 2 - Viscum album - Herbarium RNG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2014 Botanical Advent Calendar - Day 2 - Viscum album - Herbarium RNG\" \/>\n<meta property=\"og:description\" content=\"2nd December &#8211; Viscum album (Mistletoe) 2nd day of #AdventBotany &#8211; Viscum album &#8211; another evergreen but this time more sinister. This hemi-parasitic plant grows on a range of broadleaved...Read More &gt;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/\" \/>\n<meta property=\"og:site_name\" content=\"Herbarium RNG\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PlantDiversity\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-12-02T09:41:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/research.reading.ac.uk\/herbarium\/wp-content\/uploads\/sites\/42\/2014\/12\/Vifcum_albumRNGherb2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"905\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alastair Culham\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@RNGherb\" \/>\n<meta name=\"twitter:site\" content=\"@RNGherb\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alastair Culham\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/\",\"url\":\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/\",\"name\":\"2014 Botanical Advent Calendar - Day 2 - Viscum album - Herbarium RNG\",\"isPartOf\":{\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/#website\"},\"datePublished\":\"2014-12-02T09:41:08+00:00\",\"dateModified\":\"2014-12-02T09:41:08+00:00\",\"author\":{\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/#\/schema\/person\/773479130137793cfd19c5afee34a6c2\"},\"breadcrumb\":{\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/research.reading.ac.uk\/herbarium\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"2014 Botanical Advent Calendar &#8211; Day 2 &#8211; Viscum album\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/#website\",\"url\":\"https:\/\/research.reading.ac.uk\/herbarium\/\",\"name\":\"Herbarium RNG\",\"description\":\"Excellence in plant science since 1897\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/research.reading.ac.uk\/herbarium\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/#\/schema\/person\/773479130137793cfd19c5afee34a6c2\",\"name\":\"Alastair Culham\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/research.reading.ac.uk\/herbarium\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b62061ee61f0c9332a3c756afc1eca11558ede4ac9e671e4411947ae4875c06b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b62061ee61f0c9332a3c756afc1eca11558ede4ac9e671e4411947ae4875c06b?s=96&d=mm&r=g\",\"caption\":\"Alastair Culham\"},\"url\":\"https:\/\/research.reading.ac.uk\/herbarium\/author\/a-culhamreading-ac-uk\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"2014 Botanical Advent Calendar - Day 2 - Viscum album - Herbarium RNG","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/research.reading.ac.uk\/herbarium\/2014\/12\/02\/day-2-botanical-advent-calendar-viscum-album\/","og_locale":"en_GB","og_type":"article","og_title":"2014 Botanical Advent Calendar - Day 2 - Viscum album - Herbarium RNG","og_description":"2nd December &#8211; Viscum album (Mistletoe) 2nd day of #AdventBotany &#8211; Viscum album &#8211; another evergreen but this time more sinister. 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