{"id":2121,"date":"2022-09-04T12:16:39","date_gmt":"2022-09-04T10:16:39","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=2121"},"modified":"2026-02-21T10:07:39","modified_gmt":"2026-02-21T09:07:39","slug":"urtica-dioica-grande-ortie","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=2121","title":{"rendered":"Urtica dioica subsp. dioica. Grande ortie."},"content":{"rendered":"\n

Urtica dioica a des feuilles normalement cord\u00e9es \u00e0 la base et le segment terminal est plus long que les adjacents. Ses inflorescences d\u00e9passent le p\u00e9tiole des feuilles: ces \u00e9l\u00e9ments font la distinction avec l’ortie br\u00fblante<\/a> …<\/p>\n\n\n\n

Autre diff\u00e9rence avec l’ortie br\u00fblante, l’inflorescence de la grande ortie est ramifi\u00e9e:<\/p>\n\n\n\n

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

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

La corse Urtica atrovirens a \u00e9galement des inflorescences ramifi\u00e9es, mais ses feuilles un peu moins longues poss\u00e8dent des dents plus profondes.<\/p>\n\n\n\n

Cette ortie est parfois confondue l’ortie blanche<\/a> qui peut parfois pousser \u00e0 proximit\u00e9. L’ortie blanche (i.e: le lamier blanc) n’a pas de stipules. Les stipules des vraies orties sont imposants mais ils dess\u00e8chent un peu en arri\u00e8re saisons.<\/p>\n\n\n\n

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

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

Les poils urticants se pr\u00e9sentent exactement comme une ampoule \u00e0 m\u00e9dicaments.<\/p>\n\n\n\n

Lorsque l’extr\u00e9mit\u00e9 des poils est cass\u00e9e, le liquide contenue dans la v\u00e9sicule se diffuse dans la peau du mammif\u00e8re qui dit \u00ab\u00a0a\u00efe! Euh !!!\u00a0\u00bb<\/p>\n\n\n

\n
\"Urtica<\/figure>\n<\/div>\n\n\n

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

Une autre sous-esp\u00e8ce, la subsp. galeopsifolia, dont la limite occidentale pourrait \u00eatre les alpes (?) est signal\u00e9e, les feuilles apparaissent d\u00e9pourvues de poils urticants sur la face sup\u00e9rieure. Les m\u00e9dianes sont plut\u00f4t plus allong\u00e9es, et elle apparait sur des biotopes forestiers humides peu ou non nitrat\u00e9s<\/p>\n\n\n\n

Rosales<\/a>>Urticaceae<\/a>>Urtica<\/a> dioica subsp. dioica<\/p>\n\n\n\n

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

Auto-\u00e9cologie: Plante hyper nitrophile. Vivace.<\/p>\n\n\n\n

Friches et lisi\u00e8res vivaces m\u00e9dio-europ\u00e9ennes, eutrophiles, m\u00e9sohydriques \u00e0 m\u00e9sohygrophiles. Glechomo hederaceae – Urticetea dioicae<\/a> (Passarge 1967) Julve 2003 nom. nov. hoc loco<\/p>\n\n\n\n

Diff\u00e9rentielle dans Filipendulo ulmariae – Convolvuletea sepium (Preising apud H\u00fclbusch 1973) G\u00e9hu & G\u00e9hu-Franck 1987<\/p>\n\n\n\n

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

Plante h\u00f4te d’oeufs d’esp\u00e8ces de papillons appr\u00e9ci\u00e9es pour leurs couleurs chatoyantes.<\/p>\n\n\n\n

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

Plante pr\u00e9sentant un contenu ethnobotanique important notamment dans la p\u00e9riode contemporaine. <\/p>\n\n\n\n

Bonne comestible.<\/p>\n\n\n\n

Lieu(x) o\u00f9 la plante est photographi\u00e9e: Paris, Montreuil (parc des Beaumonts), Felletin (PNRM)<\/p>\n\n\n\n

\"\"
00100000<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

Urtica dioica a des feuilles normalement cord\u00e9es \u00e0 la base et le segment terminal est plus long que les adjacents. Ses inflorescences d\u00e9passent le p\u00e9tiole des feuilles: ces \u00e9l\u00e9ments font la distinction avec l’ortie br\u00fblante … Autre diff\u00e9rence avec l’ortie br\u00fblante, l’inflorescence de la grande ortie est ramifi\u00e9e: La corse Urtica atrovirens a \u00e9galement des…<\/p>\n","protected":false},"author":1,"featured_media":8342,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[520,508],"tags":[519,518],"class_list":["post-2121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-urtica-dioica","category-urticaceae","tag-grande-ortie","tag-ortie-dioique"],"yoast_head":"\nUrtica dioica subsp. dioica. 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