{"id":6321,"date":"2024-05-05T14:11:29","date_gmt":"2024-05-05T12:11:29","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=6321"},"modified":"2025-01-15T19:42:44","modified_gmt":"2025-01-15T18:42:44","slug":"geranium-robertianum-geranium-herbe-a-robert","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=6321","title":{"rendered":"Geranium robertianum. G\u00e9ranium herbe \u00e0 Robert"},"content":{"rendered":"\n

[Geranium robertianum = G. robertianum subsp. robertianum] Je choisis de mani\u00e8re sans doute discutable d’en rester au bin\u00f4me linn\u00e9en, Geranium robertianum L. , en raison de l’\u00e9tat de la question taxonomique tel que je peux la lire (voir un peu plus bas).<\/p>\n\n\n\n

Geranium robertianum est \u00e0 feuilles compos\u00e9es-palm\u00e9es:<\/p>\n\n\n

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

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

Ce g\u00e9ranium pr\u00e9sente des fleurs \u00e0 anth\u00e8re orang\u00e9es-brunes, et dont les p\u00e9tales ont entre 8 mm et un peu plus d’un cm. Les fleurs sont donc plus grande que celle du tr\u00e8s proche Geranium purpureum (rare en IDF). La distinction entre les 2 g\u00e9raniums est plus \u00ab\u00a0lisible\u00a0\u00bb par comparaison des graines.<\/p>\n\n\n

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

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Origine<\/strong><\/h4>\n\n\n\n

L’origine est le plus probablement eurasiatique. Cependant, des g\u00e9raniums de la section concern\u00e9e, la section ruberta (= mais grosso modo \u00e0 subgen. roberta), ont \u00e9t\u00e9 pr\u00e9sents depuis des p\u00e9riodes ant\u00e9 historiques sur le continent africain et cela participe de l’interrogation sur le myst\u00e9rieux Rand Flora. Pour le Rand Flora, voir \u00e0 Linum grandiflora<\/a><\/p>\n\n\n\n

Taxonomie, nomenclature<\/strong><\/h4>\n\n\n\n

Pour la taxonomie de notre herbe \u00e0 robert … Noter l’existence d’une \u00ab\u00a0subsp.\u00a0\u00bb maritimum, pouvant \u00eatre incluse dans la sous-esp\u00e8ce \u00e9ponyme, pour ce taxon en particulier: plut\u00f4t distribu\u00e9 dans le d\u00e9partement du Nord.<\/p>\n\n\n\n

L’utilisation du niveau de sous esp\u00e8ce pour Geranium robertianum implique que le g\u00e9ranium pourpre reste consid\u00e9r\u00e9 comme sous esp\u00e8ce du g\u00e9ranium Herbe \u00e0 robert. Ce dernier, \u00e9tant t\u00e9traplo\u00efde, et le pourpre diplo\u00efde. La t\u00e9traplo\u00efdie acquise par brassage, mais en manque d’informations sur une lign\u00e9e ascendante. Cela impliquant une discussion taxonomique. De surcroit, Geranium robertianum et G. purpureum s’hybrident (ce qui implique le niveau de sous esp\u00e8ces pour ces 2 l\u00e0).<\/p>\n\n\n\n

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

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

Geraniales<\/a>> Geraniaceae<\/a> > Geranium<\/a> robertianum<\/p>\n\n\n\n

Ecologie de la plante:<\/strong><\/h4>\n\n\n\n

Auto \u00e9cologie eutrophile h\u00e9misciaphile.<\/p>\n\n\n\n

Cette plante parcourt beaucoup les friches, les lisi\u00e8res eutrophes et rud\u00e9ralis\u00e9es.<\/p>\n\n\n\n

Annuelles pionni\u00e8res nitrophiles des clairi\u00e8res et lisi\u00e8res europ\u00e9ennes, psychrophiles. Galeopsio tetrahit – Senecionetea sylvatici Passarge 1981 ex de Foucault 2011<\/p>\n\n\n\n

Ourlets internes eutrophiles, h\u00e9misciaphiles, vernaux. Geo urbani – Brachypodion sylvatici Julve 2019 all. nov. hoc loco<\/p>\n\n\n\n

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

Economie de la plante: <\/strong><\/h4>\n\n\n\n

Semble dans une m\u00e9decine disparue avoir \u00e9t\u00e9 antivuln\u00e9raire, antih\u00e9morragique. <\/p>\n\n\n\n

Plante agr\u00e9able \u00e0 voir le long des chemins ou dans certains jardins …<\/p>\n\n\n\n

Mais alors? Qui est ce Robert, l\u00e0? Qui c’est celui-l\u00e0?<\/strong><\/p>\n\n\n\n

Gaspard-Nicolas Robert (1776-1857) \u00e9tait horticulteur, pharmacien, botaniste. Directeur du jardin botanique des h\u00f4pitaux maritimes de Toulon. Auteur de ces 2 taxons: Alyssum corsicum et Polygonum intermedium (nom invalide; correspond \u00e0 Polygonum robertii ???); roberta, robertii, robertianum sont utilis\u00e9s pour lui rendre hommage. Il semble cependant pouvoir y avoir au moins un probl\u00e8me sur les dates. De plus alors pourquoi non un robertii (bis-)annum ?<\/p>\n\n\n\n

Un \u00e9v\u00eaque nomm\u00e9 Rupert (Robert) envisageait cette plante comme m\u00e9dicinale (c’\u00e9tait au Moyen \u00c2ge).<\/p>\n\n\n\n

C’est l\u00e0 que monsieur Botineau intervient, et signale la rubescence de la tige: ruber->robert tout simplement. Comme certain appelle Robert, notre rouge-gorge …<\/p>\n","protected":false},"excerpt":{"rendered":"

[Geranium robertianum = G. robertianum subsp. robertianum] Je choisis de mani\u00e8re sans doute discutable d’en rester au bin\u00f4me linn\u00e9en, Geranium robertianum L. , en raison de l’\u00e9tat de la question taxonomique tel que je peux la lire (voir un peu plus bas). Geranium robertianum est \u00e0 feuilles compos\u00e9es-palm\u00e9es: Ce g\u00e9ranium pr\u00e9sente des fleurs \u00e0 anth\u00e8re…<\/p>\n","protected":false},"author":1,"featured_media":6334,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[232,974],"tags":[971,972,973],"class_list":["post-6321","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geraniaceae","category-geranium-robertianum","tag-geranium-herbe-a-robert","tag-geranium-herbe_a-robert","tag-geranium-tangue"],"yoast_head":"\nGeranium robertianum. 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