{"id":2129,"date":"2022-02-05T15:17:17","date_gmt":"2022-02-05T14:17:17","guid":{"rendered":"https:\/\/michelecrevecoeur.ch\/?page_id=2129"},"modified":"2022-02-05T15:21:16","modified_gmt":"2022-02-05T14:21:16","slug":"pistia-stratiotes-leaf","status":"publish","type":"page","link":"https:\/\/michelecrevecoeur.ch\/?page_id=2129","title":{"rendered":"Pistia Stratiotes Leaf"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2129\" class=\"elementor elementor-2129\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3aa8c1b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3aa8c1b5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-15acd405\" data-id=\"15acd405\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a6c708d elementor-widget elementor-widget-text-editor\" data-id=\"7a6c708d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><strong><span style=\"color: #003366;\"><span style=\"font-size: medium;\">Cross section in a leaf of<\/span><em style=\"color: #000080;\"><span style=\"font-size: medium;\">\u00a0Pistia stratiotes<\/span><\/em><\/span><\/strong><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400;\"><span style=\"color: #003366;\">Commonly called\u00a0water lettuce,\u00a0<em>Pistia stratiotes,<\/em>\u00a0in Aracaceae family, is a free-floating, aquatic perennial plant. It belongs to hydrophytes and originates from South America. It is frequently used as an ornamental plant in water gardens.In natural environment it floats on the water surface of fresh waterways lakes, ponds, and streams in nearly all tropical and subtropical regions. It can multiply by seeds or by vegetative offshoots formed on stolons.\u00a0<em>Pistia stratiotes<\/em>\u00a0is included in the data base of invasive species killing native submerged plants and reducing biodiversity in many tropical regions. A large number of medicinal properties are attributed this plant, particularly leaves.<\/span><br \/><span style=\"color: #003366;\">The leaves are fleshy, grey \u2013 green with parallel venation typical of a monocotyledon and form a rosette singly or connected to others by stolon\u2019s. Their surface is covered with many trichomes.<\/span><\/p><p style=\"margin-top: 15px; margin-bottom: 15px; line-height: 25.2px; color: #404040; font-family: arial; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\">Below\u00a0photographs of\u00a0<em>Pistia stratiotes<\/em>\u00a0a floating hydrophyte in the tropical greenhouse in Botanic Garden of Geneva.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8a4c637 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8a4c637\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-42e5e3b\" data-id=\"42e5e3b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dc36703 elementor-widget elementor-widget-image\" data-id=\"dc36703\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"449\" height=\"529\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/be4647c4fec951684925b717ca7c5072_f545.jpg\" class=\"attachment-large size-large wp-image-2132\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/be4647c4fec951684925b717ca7c5072_f545.jpg 449w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/be4647c4fec951684925b717ca7c5072_f545-255x300.jpg 255w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1faaeda\" data-id=\"1faaeda\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-916dbd0 elementor-widget elementor-widget-image\" data-id=\"916dbd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"429\" height=\"530\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c704f5a50cde704ba558c5d63aedc59a_f544.jpg\" class=\"attachment-large size-large wp-image-2133\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c704f5a50cde704ba558c5d63aedc59a_f544.jpg 429w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c704f5a50cde704ba558c5d63aedc59a_f544-243x300.jpg 243w\" sizes=\"(max-width: 429px) 100vw, 429px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4d01cae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4d01cae\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-92dbc0e\" data-id=\"92dbc0e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1adfff6 elementor-widget elementor-widget-text-editor\" data-id=\"1adfff6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #000080; font-family: arial; font-size: 14px;\">Micrographs of sections in a leaf are shown below. The sections are paraffin sections 10 \u00b5m thick stained with astra blue \u2013 fuchsin basic.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1097277 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1097277\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1305ae3\" data-id=\"1305ae3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bbf63a elementor-widget elementor-widget-image\" data-id=\"5bbf63a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"470\" height=\"295\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/b6605b64425f580e7065762aad00a4a7_f540.jpg\" class=\"attachment-large size-large wp-image-2135\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/b6605b64425f580e7065762aad00a4a7_f540.jpg 470w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/b6605b64425f580e7065762aad00a4a7_f540-300x188.jpg 300w\" sizes=\"(max-width: 470px) 100vw, 470px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b764c8 elementor-widget elementor-widget-text-editor\" data-id=\"8b764c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #404040; font-family: arial; font-size: 14px;\">Part of the section illustrating the aerenchyma toward the abaxial part of the mesophyll. A vascular bundle is seen (blue oval form).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d37b87a\" data-id=\"d37b87a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-04935d4 elementor-widget elementor-widget-image\" data-id=\"04935d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"449\" height=\"338\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/46f93deeae18488826a1a069325903ac_f539.jpg\" class=\"attachment-large size-large wp-image-2134\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/46f93deeae18488826a1a069325903ac_f539.jpg 449w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/46f93deeae18488826a1a069325903ac_f539-300x226.jpg 300w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78cb7d0 elementor-widget elementor-widget-text-editor\" data-id=\"78cb7d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #404040; font-family: arial; font-size: 14px;\">Part of the aerenchyma of the abaxial face and a cell containing calcium oxalate crystals (white arrow).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-979ad11 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"979ad11\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-21a461a\" data-id=\"21a461a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd20b66 elementor-widget elementor-widget-image\" data-id=\"fd20b66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"459\" height=\"264\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c45c2f4bdfe43efd523768e7233b912f_f542.jpg\" class=\"attachment-large size-large wp-image-2137\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c45c2f4bdfe43efd523768e7233b912f_f542.jpg 459w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/c45c2f4bdfe43efd523768e7233b912f_f542-300x173.jpg 300w\" sizes=\"(max-width: 459px) 100vw, 459px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f0f866 elementor-widget elementor-widget-text-editor\" data-id=\"4f0f866\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: left;\"><span style=\"color: #404040; font-family: arial; font-size: 14px;\">Three cells containing calcium oxalate crystals that are abundant in this leaf as in other organs of this plant.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-80b6812\" data-id=\"80b6812\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-db92215 elementor-widget elementor-widget-image\" data-id=\"db92215\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"549\" height=\"346\" src=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/d196683c78e6edbb699bf47ca3782464_f541.jpg\" class=\"attachment-large size-large wp-image-2136\" alt=\"\" srcset=\"https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/d196683c78e6edbb699bf47ca3782464_f541.jpg 549w, https:\/\/michelecrevecoeur.ch\/wp-content\/uploads\/2022\/02\/d196683c78e6edbb699bf47ca3782464_f541-300x189.jpg 300w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c70223f elementor-widget elementor-widget-text-editor\" data-id=\"c70223f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #404040; font-family: arial; font-size: 14px;\">High magnification view of a particular cell of parenchyma (idiodblast) containing an agregate of calcium oxalate crystals with different orientations (druse).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Cross section in a leaf of\u00a0Pistia stratiotes Commonly called\u00a0water lettuce,\u00a0Pistia stratiotes,\u00a0in Aracaceae family, is a free-floating, aquatic perennial plant. It belongs to hydrophytes and originates from South America. It is frequently used as an ornamental plant in water gardens.In natural environment it floats on the water surface of fresh waterways lakes, ponds, and streams in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2129","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pistia Stratiotes Leaf - Mich\u00e8le Cr\u00e8vecoeur<\/title>\n<meta name=\"description\" content=\"Commonly called water lettuce, Pistia stratiotes, in Aracaceae family, is a free-floating, aquatic perennial plant. 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