{"id":9273,"date":"2025-04-05T12:36:57","date_gmt":"2025-04-05T10:36:57","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=9273"},"modified":"2025-04-23T17:53:07","modified_gmt":"2025-04-23T15:53:07","slug":"euphorbia-helioscopia-euphorbe-reveil-matin","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=9273","title":{"rendered":"Euphorbia helioscopia. Euphorbe r\u00e9veil matin"},"content":{"rendered":"\n

Euphorbia helioscopia est une euphorbe \u00e0 bract\u00e9oles<\/a> non conn\u00e9es (non soud\u00e9es par la base). Elle pr\u00e9sente des inflorescences \u00e0 glandes ovales, sans appendices (elles ne sont pas en croissant par exemple)<\/p>\n\n\n

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Cette euphorbe pr\u00e9sente des feuilles et des bract\u00e9es \u00e0 peu pr\u00e8s semblables: obovales<\/a>. Les feuilles du haut de la tige sont longuement att\u00e9nu\u00e9es en coin. Ces feuilles non visibles sur les photos pr\u00e9sent\u00e9es car prises dans la v\u00e9g\u00e9tation, tr\u00e8s abim\u00e9es ou disparues. <\/p>\n\n\n\n

Les feuilles de cette euphorbe sont nettement denticul\u00e9es, presque des dents.<\/p>\n\n\n\n

Enfin, la capsule est enti\u00e8rement lisse, sans tubercules. Et ne pr\u00e9sente en outre aucune aile, ni ligne saillante sur les coques. Elle peut cependant \u00eatre un peu r\u00e9ticul\u00e9e.<\/p>\n\n\n

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Pr\u00e9sente fr\u00e9quemment une inflorescence de 3 \u00e0 5 rayons se subdivisant en 3 puis 2 rayons.<\/p>\n\n\n\n

Fait partie des th\u00e9rophytes avec une morphologie donn\u00e9e en Leeuwenberg. Il peut parfois arriver qu’une fois l’inflorescence en formation, la plante \u00e9mette des rameaux sous-jacent parfaitement oppos\u00e9s. Ceux-ci n’auront pas le temps de fleurir.<\/p>\n\n\n\n

Origine et position taxonomique:<\/strong><\/p>\n\n\n\n

Plante d’origine eurasiatique, africaine. Pr\u00e9sente d\u00e9sormais une chorologie<\/a> tr\u00e8s large, cosmopolite<\/p>\n\n\n\n

Malpighiales<\/a>>Euphorbiaceae<\/a>>Euphorbieae<\/a>> Euphorbia<\/a> helioscopia<\/p>\n\n\n\n

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

Plante de friches et de cultures (jardins et mara\u00eechages).<\/p>\n\n\n\n

(Annuelles commensales des cultures sarcl\u00e9es basophiles, m\u00e9sothermes. Fumario officinalis – Euphorbion helioscopiae M\u00fcller ex G\u00f6rs 1966)<\/p>\n\n\n\n

Friches du Sisymbrietea: Coronopodo procumbentis-Centaureetum calcitrapae<\/em> Quantin 1947<\/p>\n\n\n\n

Noter que les friches du sisymbrietea semblent tr\u00e8s proches des communaut\u00e9s des espaces sarcl\u00e9s.<\/p>\n\n\n\n

Egalement, donc: Communaut\u00e9s sarcl\u00e9es, eutrophes du Veronico agrestis-Euphorbion peplus<\/a><\/em><\/p>\n\n\n\n

Esp\u00e8ce dispers\u00e9e par les fourmis.<\/p>\n\n\n\n

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

L’autre nom de cette euphorbe, herbe aux verrues (nom \u00e9galement partag\u00e9e par la grande \u00e9claire<\/a>), r\u00e9v\u00e8le une utilisation similaire … sans doute comme succ\u00e9dan\u00e9 de la ch\u00e9lidoine. Pour la r\u00e9duction des verrues, donc.<\/p>\n\n\n\n

Cette euphorbe ne semblait pas distingu\u00e9e de l’euphorbe des jardins<\/a>. Laquelle aurait donc eue \u00e9galement ce type d’utilisation. Le \u00ab\u00a0lait\u00a0\u00bb des euphorbes est extr\u00eamement caustique et ne doit en aucun cas rentrer en contact avec une muqueuse et encore moins avec l’\u0153il<\/strong>.<\/mark><\/p>\n\n\n\n

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Euphorbia helioscopia est une euphorbe \u00e0 bract\u00e9oles non conn\u00e9es (non soud\u00e9es par la base). Elle pr\u00e9sente des inflorescences \u00e0 glandes ovales, sans appendices (elles ne sont pas en croissant par exemple) Cette euphorbe pr\u00e9sente des feuilles et des bract\u00e9es \u00e0 peu pr\u00e8s semblables: obovales. Les feuilles du haut de la tige sont longuement att\u00e9nu\u00e9es en…<\/p>\n","protected":false},"author":1,"featured_media":9274,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1122,155],"tags":[],"class_list":["post-9273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-euphorbia-helioscopia","category-euphorbiaceae"],"yoast_head":"\nEuphorbia helioscopia. 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