{"id":10191,"date":"2025-06-17T19:36:21","date_gmt":"2025-06-17T17:36:21","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=10191"},"modified":"2025-06-17T19:37:21","modified_gmt":"2025-06-17T17:37:21","slug":"convolvulus-arvensis-liseron-des-champs","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=10191","title":{"rendered":"Convolvulus arvensis. Liseron des champs."},"content":{"rendered":"\n

Convolvulus arvensis est une plante \u00e0 tige volubile, \u00e0 feuilles toutes hast\u00e9es<\/a>, et \u00e0 fleurs en entonnoir blanches \u00e0 roses. Ses feuilles sont \u00e0 poils nuls, ou alors tr\u00e8s courts et \u00e9pars.<\/p>\n\n\n\n

Les liserons du groupe Convolvulus se diff\u00e9rencient des liserons du groupe Calystegia (voir Convolvulus sepium<\/a>) par des bract\u00e9oles<\/a> lin\u00e9aires ou parfois lanc\u00e9ol\u00e9es, et qui n’enveloppent pas le calice (suivre la fl\u00e8che).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

Solanales<\/a>>Convolvulaceae<\/a>>Convolvulus<\/a> arvensis<\/p>\n\n\n\n

Ecologie<\/strong><\/p>\n\n\n\n

Plante rampante ou grimpante mais plut\u00f4t dans les espaces ouverts.<\/p>\n\n\n\n

Friches vivaces rud\u00e9rales pionni\u00e8res, m\u00e9sohydriques \u00e0 m\u00e9sohygrohiles, m\u00e9dio-europ\u00e9ennes. Convolvulo arvensis – Elytrigion repentis G\u00f6rs 1966<\/p>\n\n\n\n

Economie<\/strong><\/p>\n\n\n\n

Une herbe pas franchement docile. Il semblerait que les liserons contiennent beaucoup d’eau dans leurs tiges et qu’ils dess\u00e8chent vite. Que ce dess\u00e8chement serait radical. Au moins : moins \u00e0 craindre que pens\u00e9 lors des arrachages de tiges (mais pas convaincu par la proc\u00e9dure propos\u00e9e par World Worst Weeds – en biblio)<\/p>\n\n\n\n

Photos prises au cimeti\u00e8re parisien de Bagneux.<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

Convolvulus arvensis est une plante \u00e0 tige volubile, \u00e0 feuilles toutes hast\u00e9es, et \u00e0 fleurs en entonnoir blanches \u00e0 roses. Ses feuilles sont \u00e0 poils nuls, ou alors tr\u00e8s courts et \u00e9pars. Les liserons du groupe Convolvulus se diff\u00e9rencient des liserons du groupe Calystegia (voir Convolvulus sepium) par des bract\u00e9oles lin\u00e9aires ou parfois lanc\u00e9ol\u00e9es, et…<\/p>\n","protected":false},"author":1,"featured_media":10194,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[450,1184],"tags":[1183],"class_list":["post-10191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-convolvulaceae","category-convolvulus-arvensis","tag-liseron-des-champs"],"yoast_head":"\nConvolvulus arvensis. 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