{"id":10436,"date":"2025-07-12T12:30:36","date_gmt":"2025-07-12T10:30:36","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=10436"},"modified":"2025-07-12T13:09:05","modified_gmt":"2025-07-12T11:09:05","slug":"polypogon-maritimus-subsp-maritimus-polypogon-maritime","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=10436","title":{"rendered":"Polypogon maritimus subsp. maritimus. Polypogon maritime."},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Polypogon maritimus pr\u00e9sente une inflorescence contract\u00e9e tr\u00e8s soyeuse. Elle est \u00e0 feuilles planes et est franchement sosie du Polypogon monspeliensis, mais aussi de la sous-esp\u00e8ce des \u00eeles de Provence et de Corse.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Sa <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#ligule\">ligule<\/a> est aigue, assez forte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"813\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/IMG_20250711_172457.jpg\" alt=\"Polypogon maritimus: ligule.\" class=\"wp-image-10437\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/IMG_20250711_172457.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/IMG_20250711_172457-300x287.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/IMG_20250711_172457-768x735.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">La distinction entre les polypogons maritimes et de Montpellier n\u00e9cessite une loupe, car ces plantes sont toutes trois tr\u00e8s proches morphologiquement. Et sont \u00e0 <strong><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#fleur,structure-(poaceae)\">glumes<\/a> pr\u00e9sentant de longues arr\u00eates.<\/strong>  <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Selon la qualit\u00e9 du mat\u00e9riel, il me semble pr\u00e9f\u00e9rable de regarder plusieurs fleurons. Et l&rsquo;ensemble des indices.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Ce Polypogon se distingue de la sous-esp\u00e8ce subspathaceus car son <strong><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#p\u00e9dicelle\">p\u00e9dicelle<\/a><\/strong>, son attache est <strong>extr\u00eamement petit<\/strong>e, et les \u00e9cailles en forme de petits poils courbes sont plus petits:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima10.jpg\" alt=\"Polypogon maritimus subp. maritimus: p\u00e9dicelle\" class=\"wp-image-10439\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima10.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima10-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima10-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">La distinction avec Polypogon monspeliensis pr\u00e9sente plusieurs indices:<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>L&rsquo;arr\u00eate des <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#fleur,structure-(poaceae)\">lemmes<\/a> de ce polypogon est nulle (lemmes mutiques) ou courte<\/strong>. Elle n&rsquo;atteint pas la partie sommitale des glumes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac1.jpg\" alt=\"\" class=\"wp-image-10440\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac1.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac1-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac1-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac2.jpg\" alt=\"\" class=\"wp-image-10441\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac2.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac2-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac2-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac12.jpg\" alt=\"\" class=\"wp-image-10444\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac12.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac12-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac12-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">L&rsquo;arr\u00eate d&rsquo;une lemme ci-dessous pr\u00e9sente est courte:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac8.jpg\" alt=\"\" class=\"wp-image-10442\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac8.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac8-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac8-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les deux <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#fleur,structure-(poaceae)\">glumes<\/a> sont bien \u00e9cart\u00e9es:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima8.jpg\" alt=\"Polypogon maritimus subsp. maritimus: glumes\" class=\"wp-image-10443\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima8.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima8-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritima8-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac7.jpg\" alt=\"\" class=\"wp-image-10445\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac7.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac7-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac7-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">L&rsquo;arr\u00eate des <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#fleur,structure-(poaceae)\">glumes<\/a> commence un peu avant l&rsquo;extr\u00e9mit\u00e9 donnant l&rsquo;impression d&rsquo;un aspect lob\u00e9 \u00e0 celles-ci (ici, semblant plus ou moins courtement lob\u00e9):<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimab2.jpg\" alt=\"\" class=\"wp-image-10448\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimab2.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimab2-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimab2-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac5.jpg\" alt=\"\" class=\"wp-image-10446\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac5.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac5-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac5-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"478\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac6.jpg\" alt=\"\" class=\"wp-image-10447\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac6.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac6-300x169.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/07\/polypogonmaritimac6-768x432.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Autre risques de confusions: les s\u00e9taires, \u00e9ventuellement la <a href=\"https:\/\/lecompagnonrouge.fr\/?p=1227\">queue de li\u00e8vre<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Origine, Rang taxonomique.<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Atlantique et m\u00e9dit\u00e9rann\u00e9nne.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Le genre Polypogon s&rsquo;hybride avec le proche genre Agrostis.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Cette esp\u00e8ce n&rsquo;est pas (ou pas particuli\u00e8rement) recens\u00e9e dans les Flores d&rsquo;\u00cele-de-France de Jauzein, mais cela fait peu d&rsquo;importance, d&rsquo;autant que les photos sont prises proches de travaux: not\u00e9e comme occasionnelles en dehors de son aire.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Le rang de sous-esp\u00e8ce est ici oppos\u00e9 \u00e0 P. maritimus subsp. subspathaceus (= P. subspathaceus) des \u00eeles de Provence et de Corse.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=poales\">Poales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=poaceae\">Poaceae<\/a>&gt;\u00e0 inflorescences en panicules contract\u00e9es &gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=polypogon\">Polypogon<\/a> maritimus subsp. maritimus<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Ecologie<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Dans l\u2019ensemble, les poaceae provoqueraient des pollinoses. Les poaceae forment un groupe qui semble particuli\u00e8rement complexe en raison de la taille de ce groupe pour les allergologues. Polypogon maritima: pollen allergisant?<\/p>\n\n\n\n<p class=\"has-medium-font-size\">REGLEMENTATION, SIGNALEMENT:<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Vuln\u00e9rable en Basse-Normandie<\/mark> (crit\u00e8re d2), <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Quasi-menac\u00e9e en Bretagne<\/mark> (crit\u00e8re pr.D2)<\/p>\n\n\n\n<p class=\"has-medium-font-size\">D\u00e9terminante <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\"><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#znieff\">Znieff<\/a> en Auvergne- Rh\u00f4ne Alpes<\/mark>.<\/p>\n\n\n\n<p>AUTOECOLOGIE, HABITAT<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Plantes de mares temporaires.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Annuelles tardivernales ou pr\u00e9estivales des tonsures subnitrophiles maritimes, m\u00e9diterran\u00e9ennes. Frankenietalia pulverulentae Rivas-Mart\u00ednez 1975 apud Rivas-Mart\u00ednez &amp; Costa 1976<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Photo: Paris 13<\/p>\n\n\n\t\t<div\n            id=\"wpmapblock_4d089a53\"\n            data-settings='{&quot;map_marker&quot;:[{&quot;lat&quot;:&quot;48.83526075316&quot;,&quot;lng&quot;:&quot;2.3723602294922&quot;,&quot;title&quot;:&quot;Polypogon maritimus&quot;,&quot;content&quot;:&quot;2 groupes le 11\\\/07\\\/2025, Paris XIII&quot;,&quot;iconType&quot;:&quot;default&quot;,&quot;customIconUrl&quot;:&quot;&quot;,&quot;customIconWidth&quot;:&quot;25&quot;,&quot;customIconHeight&quot;:&quot;40&quot;}],&quot;map_zoom&quot;:&quot;18&quot;,&quot;scroll_wheel_zoom&quot;:&quot;1&quot;,&quot;map_type&quot;:&quot;OSM&quot;,&quot;center_index&quot;:0}'\n            class=\"wpmapblockrender\"\n            style=\"\n\t\t\twidth: 100%;\n\t\t\theight: 500px;\n\t\t\"\n            >\n        <\/div>\n        ","protected":false},"excerpt":{"rendered":"<p>Polypogon maritimus pr\u00e9sente une inflorescence contract\u00e9e tr\u00e8s soyeuse. Elle est \u00e0 feuilles planes et est franchement sosie du Polypogon monspeliensis, mais aussi de la sous-esp\u00e8ce des \u00eeles de Provence et de Corse. Sa ligule est aigue, assez forte. La distinction entre les polypogons maritimes et de Montpellier n\u00e9cessite une loupe, car ces plantes sont toutes&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10438,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[306,1211],"tags":[1210],"class_list":["post-10436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-poaceae","category-polypogon-maritimus-subsp-maritimus","tag-polypogon-maritime"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polypogon maritimus subsp. maritimus. 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