{"id":13475,"date":"2020-11-10T10:09:18","date_gmt":"2020-11-10T10:09:18","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/helichrysum-stoechas-3\/"},"modified":"2021-10-27T09:25:41","modified_gmt":"2021-10-27T09:25:41","slug":"helichrysum-stoechas-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/helichrysum-stoechas-3\/","title":{"rendered":"Helichrysum stoechas"},"content":{"rendered":"<p>Arbrisseau \u00e0 feuilles persistantes, hermaphrodite, de 0,6(1)\u00a0m de haut, dress\u00e9. Tr\u00e8s rameux depuis la base, \u00e0 tiges les plus vielles nettement ligneuses \u00e0 la base, \u00e0 \u00e9corce brun-gris\u00e2tre\u00a0; les tiges florif\u00e8res d\u00e9passent largement les v\u00e9g\u00e9tatives, bien qu\u2019il puisse s\u2019agir d\u2019un caract\u00e8re tr\u00e8s variable dans les zones fortement battues par le vent marin (subsp. <em>caespitosum<\/em>) du fait des embruns. Partie sup\u00e9rieure des tiges peu lignifi\u00e9e, parfois enti\u00e8rement herbac\u00e9e, couverte d\u2019un tomentum blanc. Feuilles (1,5-3 \u00d7 0,1-0,3 cm) lin\u00e9aires (parfois \u00e9troitement spatul\u00e9es), enti\u00e8res, obtuses, sessiles, un peu amplexicaules, \u00e0 bord si r\u00e9volut\u00e9 que beaucoup paraissent cylindriques, glabrescentes et verd\u00e2tres sur l\u2019endroit, tomenteuses-blanch\u00e2tres sur l\u2019envers (tomenteuses sur les deux faces chez la subsp. <em>caespitosum<\/em>). Inflorescences en capitules terminaux de 4-7\u00a0mm de diam\u00e8tre, \u00e0 fleurs tubuleuses, jaunes, dens\u00e9ment group\u00e9es en une sorte de corymbe de 1,5-6\u00a0cm de diam\u00e8tre. Involucre globuleux ou campanul\u00e9, de 4-7\u00a0mm de large, \u00e0 nombreuses bract\u00e9es un peu imbriqu\u00e9es, les externes papyrac\u00e9es, qui ne s\u2019ouvrent pas suite \u00e0 la fructification. Fleurs de couleur beaucoup plus fonc\u00e9e que les p\u00e2les bract\u00e9es involucrales. Fruit en petit ak\u00e8ne \u00e0 surface glanduleuse, pourvu d\u2019un pappus. 2n\u00a0=\u00a028.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-13475","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>Helichrysum stoechas - 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=\"Helichrysum stoechas - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbrisseau \u00e0 feuilles persistantes, hermaphrodite, de 0,6(1)\u00a0m de haut, dress\u00e9. 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