{"id":12077,"date":"2020-11-10T10:07:26","date_gmt":"2020-11-10T10:07:26","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/calligonum-calvescens-maire-3\/"},"modified":"2021-09-03T18:19:31","modified_gmt":"2021-09-03T18:19:31","slug":"calligonum-calvescens-maire-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/calligonum-calvescens-maire-3\/","title":{"rendered":"Calligonum calvescens Maire"},"content":{"rendered":"

Arbuste atteignant 2,5 m de haut, tr\u00e8s ramifi\u00e9, parfois en c\u00e9p\u00e9e, \u00e0 rameaux de l\u2019ann\u00e9e verts, glaucescents en p\u00e9riodes s\u00e8ches, plus ou moins stri\u00e9s longitudinalement, simples ou peu ramifi\u00e9s, solitaires ou g\u00e9min\u00e9s, flexueux, allong\u00e9s (jusqu\u2019\u00e0 40 cm de long) ; vieux rameaux \u00e0 \u00e9corce sub\u00e9reuse, blanche et fendill\u00e9e, tortueux. Feuilles (0,5-1 mm de long) \u00e9ph\u00e9m\u00e8res, subul\u00e9es, vert-purpurescent. Fleurs en groupes de 1-4, \u00e0 p\u00e9dicelle articul\u00e9 en dessous de la moiti\u00e9 de sa longueur. P\u00e9rianthe att\u00e9nu\u00e9 \u00e0 la base, \u00e0 4 t\u00e9pales verd\u00e2tres et bord blanch\u00e2tre, pourvus d\u2019un renflement dorsal vert, persistants et r\u00e9fl\u00e9chis sur le fruit. \u00c9tamines : 10, \u00e0 anth\u00e8res ros\u00e2tres. Ovaire \u00e0 4 styles pourpr\u00e9s et stigmates capit\u00e9s. Ak\u00e8nes oblongs-fusiformes (7-8 \u00d7 3-3,5 mm), subapicul\u00e9s, de couleur ocre, \u00e0 4 vall\u00e9cules \u00e9troites, glabres et grises, c\u00f4tes larges et glabres ; ils sont pourvus de 4 s\u00e9ries de poils fragiles, jaune-ocre, habituellement 1-2 fois dichotomes au-dessus de la moiti\u00e9 de leur longueur, de jusqu\u2019\u00e0 8 mm. Poils lat\u00e9raux patents, ail\u00e9s \u00e0 la base, \u00e0 ailes concrescentes qui forme une cr\u00eate membraneuse plus ou moins continue. Graines oblongues.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12077","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nCalligonum calvescens Maire - 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=\"Calligonum calvescens Maire - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste atteignant 2,5 m de haut, tr\u00e8s ramifi\u00e9, parfois en c\u00e9p\u00e9e, \u00e0 rameaux de l\u2019ann\u00e9e verts, glaucescents en p\u00e9riodes s\u00e8ches, plus ou moins stri\u00e9s longitudinalement, simples ou peu ramifi\u00e9s, solitaires ou g\u00e9min\u00e9s, flexueux, allong\u00e9s (jusqu\u2019\u00e0 40 cm de long) ; vieux rameaux \u00e0 \u00e9corce sub\u00e9reuse, blanche et fendill\u00e9e, tortueux. 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