{"id":12571,"date":"2026-06-29T12:49:23","date_gmt":"2026-06-29T10:49:23","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=12571"},"modified":"2026-06-29T14:48:52","modified_gmt":"2026-06-29T12:48:52","slug":"laphangium-luteoalbum-cotonniere-blanc-jaunatre","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=12571","title":{"rendered":"Laphangium luteoalbum. Cotonni\u00e8re blanc-jaun\u00e2tre"},"content":{"rendered":"\n

Laphangium luteoalbum<\/em> est une cotonni\u00e8re qui pr\u00e9sente des fleurs sessiles r\u00e9unies en quasi glom\u00e9rules. Elle poss\u00e8de des Bract\u00e9es<\/a> involucrales<\/a> ovales<\/a><\/strong> (non jaun\u00e2tres) verd\u00e2tres (et ce sont de vraies bract\u00e9es, non des paillettes<\/a><\/strong>); Les glom\u00e9rules<\/a><\/strong> ne sont pas accompagn\u00e9s de feuilles.<\/strong><\/p>\n\n\n\n

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

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

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

Les feuilles<\/strong> pr\u00e9sentent un tomentum sur chacune des faces. Les caulinaires sont un peu embarrassantes mais non <\/strong>d\u00e9currentes<\/strong> <\/a>(chez cette esp\u00e8ce de Laphangium).<\/p>\n\n\n\n

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

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

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

Son habitus<\/a>:<\/p>\n\n\n\n

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

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

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

Origine, taxonomie:<\/strong><\/h2>\n\n\n\n

Plante cosmopolite.<\/p>\n\n\n\n

Asterales<\/a>> Asteraceae<\/a>> Asteroideae<\/a>> Gnaphalieae<\/a>>Laphangium luteoalbum<\/p>\n\n\n\n

Ecologie<\/strong><\/h2>\n\n\n\n

STATUTS DE PROTECTIONS :<\/p>\n\n\n\n

EN en Danger : en Auvergne avec crit\u00e8res B2ab (i,ii, iii, iv;v), en Bourgogne avec les crit\u00e8res B2ab (iii, iv ; v) c (iii, iv), en Champagne-Ardenne avec les crit\u00e8res B1+2ab (iii ; iv ; v) D1, en \u00cele-de-France avec les crit\u00e8res B2b (iv ; v) c(ii ; iii), en Rh\u00f4ne-Alpes avec les crit\u00e8res B2ab (iii)<\/mark>.<\/p>\n\n\n\n

VU vuln\u00e9rable en Limousin avec le crit\u00e8re D2.<\/mark><\/p>\n\n\n\n

Indicatrice de zone humide \u00e0 \u00e9chelle nationale (arr\u00eat\u00e9 de 2008).<\/mark><\/p>\n\n\n\n

Indicatrice Znieff <\/mark>en Bourgogne, Centre-Val de Loire, Corr\u00e8ze, Creuse, Franche-Comt\u00e9, Grand-Est, Haute-Vienne, et dans les zones biog\u00e9ographiques du Massif central, des bior\u00e9gions AURA (Auvergne-Rh\u00f4ne Alpes : massif central et m\u00e9diterran\u00e9e), de la plaine Rhodanienne.<\/p>\n\n\n\n

Esp\u00e8ces \u00e0 priorit\u00e9 de conservation ou de pr\u00e9servation : Grand-Lyon et Ard\u00e8che<\/p>\n\n\n\n

AUTO-ECOLOGIE<\/p>\n\n\n\n

Plantes de pelouses et de friches hygrophiles (acidophiles) sur sables et argiles.<\/p>\n\n\n\n

PHYTOCENOSE :<\/p>\n\n\n\n

Annuelles des tonsures hygrophiles \u00e0 hydrophiles, europ\u00e9ennes. Juncetea bufonii<\/em> (Braun-Blanquet & T\u00fcxen 1943) de Foucault 1988<\/p>\n\n\n\n

Photos : Nombreuses colonies. Pr\u00e9sence et dynamique inexpliqu\u00e9e sur cette avenue parisienne. Une grande quantit\u00e9 de plantes trouv\u00e9es localement ne pr\u00e9sume jamais qu’on puisse en trouver ailleurs!!!<\/mark><\/p>\n\n\n\n

Observ\u00e9 le 25 juin 2026, photographi\u00e9 le 28\/06\/2026. La communication de l’observation sur le SINP aura lieu \u00e0 n+1 an ou n+2 si toujours pr\u00e9sent (m\u00eame deux individus ou un individu \u00e0 fruits), au regard du statut de protection de la plante: concernant le nombre de loci. Cependant, le spectre \u00e9cologique semble a priori +- mal correspondant, et ne pr\u00e9sume pas d’observations ult\u00e9rieures. <\/p>\n","protected":false},"excerpt":{"rendered":"

Laphangium luteoalbum est une cotonni\u00e8re qui pr\u00e9sente des fleurs sessiles r\u00e9unies en quasi glom\u00e9rules. Elle poss\u00e8de des Bract\u00e9es involucrales ovales (non jaun\u00e2tres) verd\u00e2tres (et ce sont de vraies bract\u00e9es, non des paillettes); Les glom\u00e9rules ne sont pas accompagn\u00e9s de feuilles. Les feuilles pr\u00e9sentent un tomentum sur chacune des faces. Les caulinaires sont un peu embarrassantes mais…<\/p>\n","protected":false},"author":1,"featured_media":12572,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,1294],"tags":[1293],"class_list":["post-12571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asteraceae","category-laphangium-luteoalbum","tag-cotonniere-blanc-jaunatre"],"yoast_head":"\nLaphangium luteoalbum. 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