{"id":12206,"date":"2020-11-10T10:07:35","date_gmt":"2020-11-10T10:07:35","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/populus-tremula-l-3\/"},"modified":"2026-07-19T11:08:22","modified_gmt":"2026-07-19T11:08:22","slug":"populus-tremula-l-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/populus-tremula-l-3\/","title":{"rendered":"Populus tremula L."},"content":{"rendered":"<p>Arbre caducifoli\u00e9, dio\u00efque, atteignant 20(30) m de haut, \u00e0 port tr\u00e8s irr\u00e9gulier, mais \u00e0 houppier ample, et ramification ouverte. Tronc plus ou moins droit, \u00e0 \u00e9corce blanc-gris\u00e2tre et presque lisse sur la partie m\u00e9diane et sup\u00e9rieure du tronc et les vieilles branches ; dans la partie inf\u00e9rieure des vieux exemplaires, l\u2019\u00e9corce se fendille et prend une couleur brun-gris\u00e2tre. Jeunes ramilles brun-verd\u00e2tre, d\u2019abord l\u00e9g\u00e8rement poilues, puis rapidement glabres. Bourgeons \u00e0 3-4 \u00e9cailles, un peu visqueuses, d\u2019abord l\u00e9g\u00e8rement poilues, puis rapidement glabres. Feuilles [3-7(15) \u00d7 3-8 cm] alternes, caduques, suborbiculaires, \u00e0 lobules ou dents larges et obtuses peu prononc\u00e9es et distribu\u00e9es de mani\u00e8re irr\u00e9guli\u00e8re ; elles sont vertes sur les deux faces, un peu plus fonc\u00e9es sur l\u2019endroit, \u00e0 p\u00e9tiole long et tr\u00e8s comprim\u00e9 lat\u00e9ralement, ce qui les fait osciller, trembler au moindre souffle de vent, produisant un son caract\u00e9ristique qui permet g\u00e9n\u00e9ralement d\u2019entendre cet arbre avant de l\u2019apercevoir. Inflorescences en chatons de 5-12 \u00d7 1,5-2 cm, cylindriques, pendants, tr\u00e8s villeux. Fleurs \u00e0 disque nectarif\u00e8re persistant ; les m\u00e2les \u00e0 4-12 \u00e9tamines \u00e0 filets blancs et anth\u00e8res pourpres, les femelles courtement p\u00e9dicell\u00e9es, \u00e0 ovaire ovo\u00efde-conique et 2 stigmates pourpr\u00e9s. Le fruit est une petite capsule ovo\u00efde de <em>c<\/em>. 4 mm, d\u00e9hiscente en 2 valves qui lib\u00e8rent de nombreuses graines pourvues de longs poils blanch\u00e2tres. 2n = 38.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12206","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Populus tremula L. - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Populus tremula L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbre caducifoli\u00e9, dio\u00efque, atteignant 20(30) m de haut, \u00e0 port tr\u00e8s irr\u00e9gulier, mais \u00e0 houppier ample, et ramification ouverte. 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