{"id":8044,"date":"2022-10-10T17:44:20","date_gmt":"2022-10-10T17:44:20","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=8044"},"modified":"2022-10-10T17:55:30","modified_gmt":"2022-10-10T17:55:30","slug":"welwitschia-une-plante-extraordinaire-en-namibie","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/10\/10\/welwitschia-une-plante-extraordinaire-en-namibie\/","title":{"rendered":"Welwitschia, une plante extraordinaire en Namibie"},"content":{"rendered":"

Welwitschia mirabilis est un \u00ab fossile vivant \u00bb ou, plus correctement, une \u00ab esp\u00e8ce relique \u00bb ou \u00ab esp\u00e8ce panchronique \u00bb. Cette plante est une gymnosperme (proche de l\u2019\u00e9ph\u00e9dra), constitu\u00e9e seulement de deux feuilles qui se dilac\u00e8rent \u00e0 leurs extr\u00e9mit\u00e9s ! Les sexes sont s\u00e9par\u00e9s, il y des pieds m\u00e2les et des pieds femelles : on parle d\u2019esp\u00e8ce dio\u00efque.<\/p>\n

Welwitschia mirabilis, qui existe en Namibie mais aussi en Angola, peut vivre 1000 \u00e0 2000 ans\u00a0!<\/p>\n

\"\"Jacques-Marie Bardintzeff, volcanologue, impressionn\u00e9 par une Welwitschia mirabilis (ici un pied femelle), 5\/5\/2022, pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Swakop en Namibie (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

D\u2019ailleurs, l\u2019\u00e9quipe de rugby de Namibie s\u2019appelle \u00ab\u00a0Les Welwitschias\u00a0\u00bb.<\/p>\n

\"\"<\/p>\n

Un pied m\u00e2le de Welwitschia mirabilis, 5\/5\/2022, pr\u00e8s de la vall\u00e9e de la rivi\u00e8re Swakop en Namibie (\u00a9 J.M. Bardintzeff).<\/p>\n

\"\"<\/p>\n

Les c\u00f4nes d\u2019un pied femelle de Welwitschia mirabilis, 30\/4\/2022, dans le massif de l\u2019Etendeka en Namibie (\u00a9 J.M. Bardintzeff).<\/p>\n","protected":false},"excerpt":{"rendered":"

Welwitschia mirabilis est un \u00ab fossile vivant \u00bb ou, plus correctement, une \u00ab esp\u00e8ce relique \u00bb ou \u00ab esp\u00e8ce panchronique \u00bb. Cette plante est une gymnosperme (proche de l\u2019\u00e9ph\u00e9dra), constitu\u00e9e seulement de deux feuilles qui se dilac\u00e8rent \u00e0 leurs extr\u00e9mit\u00e9s ! Les sexes sont s\u00e9par\u00e9s, il y des pieds m\u00e2les et des pieds femelles : … Continuer la lecture de Welwitschia, une plante extraordinaire en Namibie<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6,8],"tags":[2220,2225,1587,2544],"class_list":["post-8044","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-espece-panchronique","tag-espece-relique","tag-namibie","tag-welwitschia"],"yoast_head":"\nWelwitschia, une plante extraordinaire en Namibie, par Jacques-Marie Bardintzeff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2022\/10\/10\/welwitschia-une-plante-extraordinaire-en-namibie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Welwitschia, une plante extraordinaire en Namibie, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Welwitschia mirabilis est un \u00ab fossile vivant \u00bb ou, plus correctement, une \u00ab esp\u00e8ce relique \u00bb ou \u00ab esp\u00e8ce panchronique \u00bb. Cette plante est une gymnosperme (proche de l\u2019\u00e9ph\u00e9dra), constitu\u00e9e seulement de deux feuilles qui se dilac\u00e8rent \u00e0 leurs extr\u00e9mit\u00e9s ! 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