{"id":287,"date":"2007-06-21T13:19:02","date_gmt":"2007-06-21T12:19:02","guid":{"rendered":"https:\/\/ecosystemadotpro.wordpress.com\/?p=287"},"modified":"2023-06-29T14:45:21","modified_gmt":"2023-06-29T12:45:21","slug":"ornithopus-perpusillus","status":"publish","type":"post","link":"https:\/\/ecosystema.fr\/index.php\/2007\/06\/21\/ornithopus-perpusillus\/","title":{"rendered":"Ornithopus perpusillus&#8230;"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1154\" height=\"866\" src=\"https:\/\/ecosystemadotpro.files.wordpress.com\/2007\/06\/gaby_ar_braz_23.jpg\" alt=\"Gaby_AR_BRAZ_23\" class=\"wp-image-288\"\/><\/figure>\n\n\n\n<p>Une plante tr\u00e8s discr\u00e8te, observable sur les pelouses en cette saison&nbsp;: <b><i>Ornithopus perpusillus<\/i><\/b>.<\/p>\n\n\n\n<p><i>O. perpusillus<\/i> est de la famille des <i>Fabaceae<\/i> (= Papilionac\u00e9es)&nbsp;; c\u2019est une plante souvent tr\u00e8s gr\u00eale, \u00e0 tiges ordinairement couch\u00e9es-rayonnantes&nbsp;; les feuilles sont \u00e0 11-25 folioles de 2-6 mm de longueur, elliptiques ou oblongues, mucronul\u00e9es. La pilosit\u00e9 quant \u00e0 elle est tr\u00e8s variable.<\/p>\n\n\n\n<p>A la floraison, c\u2019est une plante \u00e0 fleurs blanches et roses, tr\u00e8s petites (3 mm de longueur) et \u00e0 la fructification la plante arbore une gousse lin\u00e9aire, l\u00e9g\u00e8rement arqu\u00e9e, comprim\u00e9e, \u00e0 articles fortement r\u00e9ticul\u00e9s.<\/p>\n\n\n\n<p>Pr\u00e9cis\u00e9ment ce taxon est une th\u00e9rophyte de 5 \u00e0 25 cm (exceptionnellement), fleurissant du V au IX. C\u2019est une esp\u00e8ce pionni\u00e8re, m\u00e9sox\u00e9rophile, psammophile, calcifuge ; observable sur les pelouses silicicoles rases, les chemins sablonneux.<\/p>\n\n\n\n<p>Phytosociologiquement, elle appartient au <b><i>Thero-Airion<\/i><\/b> T\u00fcxen ex Oberd. 1957, correspondant \u00e0 des communaut\u00e9s vernales \u00e0 estivales des sols x\u00e9riques, atlantiques \u00e0 m\u00e9dioeurop\u00e9ennes, sur sables, ar\u00e8nes et dalles siliceuses. Biog\u00e9agraphiquement c\u2019est une esp\u00e8ce \u00e0 r\u00e9partition ouest europ\u00e9enne.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"600\" src=\"https:\/\/ecosystemadotpro.files.wordpress.com\/2007\/06\/1069.png\" alt=\"1069\" class=\"wp-image-298\"\/><\/figure>\n<\/div>\n\n\n<p>En Bretagne c\u2019est un taxon largement r\u00e9pandu et typique des pelouses rases sur sols siliceux&nbsp;: vires rocheuses, vieux murs, dunes d\u00e9calcifi\u00e9es, chemins.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>A noter la pr\u00e9sence d\u2019<i>Ornithopus pinnatus<\/i> (fleurs de 6-8 mm, jaunes, solitaires pou par 2-5) sur les pelouses rocheuses ou sablonneuses du littoral&nbsp;; cette esp\u00e8ce de distribution m\u00e9diterran\u00e9enne atlantique et proche en Cotes d\u2019Armor, de la limite nord de son aire (n\u2019est connue pour la Grande-Bretagne que des \u00eeles Scilly.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><b>Sources<\/b> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BARDAT J., BIORET F., BOTINEAU M., BOULLET V., DELPECH R., G\u00c9HU J.-M., HAURY J., LACOSTE A., RAMEAU J.-C., ROYER J.-M., ROUX G. et TOUFFET J., Prodrome des v\u00e9g\u00e9tations de France.<\/li>\n\n\n\n<li>COSTE H., Flore descriptive et illustr\u00e9e de la France, de la Corse et des contr\u00e9es limitrophes &#8211; 3 volumes.<\/li>\n\n\n\n<li>JULVE P., Synopsis phytosociologique de la France (communaut\u00e9s de plantes vasculaires).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><b>Clich\u00e9s<\/b>&nbsp;:&nbsp;Gaby AR BRAZ &#8211; APN Canon G9&nbsp;&#8211; Ecosystema.fr&nbsp;\u00a9<\/p>\n\n\n\n<p><strong>CC<\/strong> BY-NC-ND<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une plante tr\u00e8s discr\u00e8te, observable sur les pelouses en cette saison&nbsp;: Ornithopus perpusillus. O. perpusillus est de la famille des Fabaceae (= Papilionac\u00e9es)&nbsp;; c\u2019est une plante souvent tr\u00e8s gr\u00eale, \u00e0 tiges ordinairement couch\u00e9es-rayonnantes&nbsp;; les feuilles sont \u00e0 11-25 folioles de 2-6 mm de longueur, elliptiques ou oblongues, mucronul\u00e9es. La pilosit\u00e9 quant \u00e0 elle est tr\u00e8s&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,25],"tags":[39],"class_list":["post-287","post","type-post","status-publish","format-standard","hentry","category-flore","category-landes-pelouses-mares-et-forets-sur-sols-acides","tag-acide"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/posts\/287","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/comments?post=287"}],"version-history":[{"count":4,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/posts\/287\/revisions"}],"predecessor-version":[{"id":3434,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/posts\/287\/revisions\/3434"}],"wp:attachment":[{"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/media?parent=287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/categories?post=287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecosystema.fr\/index.php\/wp-json\/wp\/v2\/tags?post=287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}