{"id":5210,"date":"2024-01-07T12:24:11","date_gmt":"2024-01-07T11:24:11","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=5210"},"modified":"2025-06-21T16:48:32","modified_gmt":"2025-06-21T14:48:32","slug":"oenothera-glazioviana-onagre-de-glaziou","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=5210","title":{"rendered":"Oenothera glazioviana. Onagre de Glaziou"},"content":{"rendered":"\n

L’onagre de Glaziou se reconna\u00eet facilement car ses stigmates d\u00e9passent les \u00e9tamines. Les boutons se r\u00e9tr\u00e9cissent progressivement et tr\u00e8s longuement du bas vers le haut. Ses s\u00e9pales sont stri\u00e9s, rouges. Elle se distingue ainsi d’O. oehlkersii, cette derni\u00e8re ne poss\u00e9dant pas de pigments rouges.<\/p>\n\n\n\n

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

Jauzein 2020 (dans sa m\u00e9thode cytologique) indique pour cette onagre que cela pourrait \u00eatre: : Oenothera biennis subsp. glazioviana<\/p>\n\n\n\n

La botanique traditionnelle est \u00e0 appr\u00e9hender comme un langage, o\u00f9 l’on cherche \u00e0 faire correspondre un exemplaire de plante \u00e0 son nom par le biais de caract\u00e9ristiques morphologiques d\u00e9crites en regard du nom de la plante. L’\u00e9tude g\u00e9n\u00e9tique cherche au contraire \u00e0 qualifier biologiquement l’esp\u00e8ce. Par contre, il se trouve que les esp\u00e8ces g\u00e9n\u00e9tiques ne croisent pas toujours correctement les descriptions morphologiques. Cela demande de gros ajustements. Et cela, comme c’est le cas pour Brassica senso lato, peut \u00eatre laiss\u00e9 longtemps en attente. La proposition de Jauzein permet un moyen terme, puisqu’elle respecte tout la valeur biologique d’une esp\u00e8ce, mais cette \u00e9tude cytologique permet aussi de t\u00e9moigner de caract\u00e8res morphologiques tels qu’on les rencontre sur le terrain.<\/p>\n\n\n\n

Myrtales<\/a>>Onagraceae<\/a>>Oenothera<\/a> glazioviana<\/p>\n\n\n\n

Plante de friches eutrophiles.<\/p>\n\n\n\n

Friches vivaces m\u00e9sohydriques, m\u00e9dio-europ\u00e9ennes. Dauco carotae subsp. carotae – Melilotion albi G\u00f6rs 1966<\/p>\n\n\n\n

Lieu o\u00f9 la plante est photographi\u00e9e: Parc naturel r\u00e9gional de Millevaches (PNRM).<\/p>\n","protected":false},"excerpt":{"rendered":"

L’onagre de Glaziou se reconna\u00eet facilement car ses stigmates d\u00e9passent les \u00e9tamines. Les boutons se r\u00e9tr\u00e9cissent progressivement et tr\u00e8s longuement du bas vers le haut. Ses s\u00e9pales sont stri\u00e9s, rouges. Elle se distingue ainsi d’O. oehlkersii, cette derni\u00e8re ne poss\u00e9dant pas de pigments rouges. Jauzein 2020 (dans sa m\u00e9thode cytologique) indique pour cette onagre que…<\/p>\n","protected":false},"author":1,"featured_media":5211,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[850,46],"tags":[],"class_list":["post-5210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oenothera-glazioviana","category-onagraceae"],"yoast_head":"\nOenothera glazioviana. 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