{"id":11529,"date":"2020-11-10T09:01:45","date_gmt":"2020-11-10T09:01:45","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/tephrosia-pers\/"},"modified":"2021-09-16T09:10:16","modified_gmt":"2021-09-16T09:10:16","slug":"tephrosia-pers","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/tephrosia-pers\/","title":{"rendered":"Tephrosia Pers."},"content":{"rendered":"<p>Genre comprenant environ 360 esp\u00e8ces tropicales et subtropicales, essentiellement africaines. Il s&rsquo;agit principalement de plantes herbac\u00e9es, annuelles ou vivaces, fr\u00e9quemment \u00e0 base ligneuse. Dans le N. de l\u2019Afrique apparaissent plusieurs esp\u00e8ces herbac\u00e9es vivaces, plus ou moins \u00e9ph\u00e9m\u00e8res, ligneuses uniquement \u00e0 la base. Leur r\u00e9partition est essentiellement tropicale, sah\u00e9lienne, ne se d\u00e9veloppant qu\u2019au S. du territoire objet du pr\u00e9sent projet, dans le Sahara m\u00e9ridional. Certaines s\u2019\u00e9tendent jusqu\u2019\u00e0 la M\u00e9diterran\u00e9e \u00e0 travers l\u2019\u00c9gypte. Les esp\u00e8ces plus robustes sont <strong>T. purpurea<\/strong> et <strong>T. nubica<\/strong>. D\u2019autres esp\u00e8ces, g\u00e9n\u00e9ralement herbac\u00e9es mais parce qu\u2019elles sont parfois ligneuses \u00e0 la base des tiges, peuvent \u00eatre cit\u00e9es ici, sont :<\/p>\n<p><strong> T. uniflora<\/strong> Pers. (<em>T. quartiniana<\/em> Cufod. ex Greuter &amp; Burdet, <em>T. vicioides<\/em> A. Rich.), plante herbac\u00e9e annuelle, bisannuelle ou vivace, \u00e0 souche ligneuse, de 20-50 cm ; fleurs g\u00e9n\u00e9ralement blanches, ail\u00e9es, sessiles \u00e0 l\u2019aisselle des feuilles des ramilles florif\u00e8res ; Sahara m\u00e9ridional, de la Mauritanie et du S\u00e9n\u00e9gal jusqu\u2019au Soudan, \u00e0 l\u2019\u00c9thiopie et la Somalie, s\u2019\u00e9tendant vers le N. jusqu\u2019au Sahara central (Alg\u00e9rie) et septentrional (\u00c9gypte), ainsi que plus \u00e0 l\u2019E., jusqu\u2019en Inde.<\/p>\n<p><strong> T. villosa<\/strong> (L.) Pers. subsp. <strong>ehrenbergiana <\/strong>(Schweinf.) Brummitt (<em>T. ehrenbergiana<\/em> Schweinf., <em>T. incana<\/em> sensu Baker), plante herbac\u00e9e annuelle ou vivace, lignifi\u00e9e \u00e0 la base des tiges, de 30-80 cm, \u00e0 calice et gousses dens\u00e9ment villeux et fleurs roses. \u00c9gypte, S. et E. de l\u2019Afrique et p\u00e9ninsule arabique.<\/p>\n<p><strong> T. kassasii <\/strong>Boulos, l\u2019unique esp\u00e8ce \u00e0 feuilles simples, plante herbac\u00e9e vivace, de 30-60 cm, ligneuse \u00e0 la base, \u00e0 fleurs violettes ; elle a \u00e9t\u00e9 cit\u00e9e comme end\u00e9mique dans une seule localit\u00e9 du Nil, au S. de l\u2019\u00c9gypte, bien qu\u2019elle n\u2019ait plus \u00e9t\u00e9 observ\u00e9e depuis la construction du barrage d\u2019Assouan et l\u2019inondation post\u00e9rieure de la vall\u00e9e du Nil.<\/p>\n<p><em>T. uniflora <\/em>et <em>T. villosa<\/em> subsp. <em>ehrenbergiana<\/em> sont des esp\u00e8ces relativement communes \u00e0 aire de r\u00e9partition vaste, qui ne sont pas consid\u00e9r\u00e9es comme menac\u00e9es. En revanche, <em>T. kassasii <\/em>est tr\u00e8s rare, \u00e0 aire de r\u00e9partition beaucoup plus restreinte, et il conviendrait d\u2019\u00e9tudier son \u00e9tat de conservation. Aucune de ces esp\u00e8ces n\u2019est actuellement \u00e9valu\u00e9e \u00e0 l\u2019\u00e9chelle mondiale dans la Liste rouge des esp\u00e8ces de l\u2019UICN. Dans la Liste rouge des plantes vasculaires d\u2019\u00c9gypte (<em>Flora Aegyptiaca<\/em> Vol 1, 2000), <em>T. kassasii<\/em> est catalogu\u00e9e comme \u00ab \u00e9teinte \u00bb.<\/p>\n","protected":false},"template":"","short_name":"Tephrosia","name_html":"<strong>Tephrosia<\/strong> Pers.","short_description":"","references":"","custom_author":"H. 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Leur r\u00e9partition est essentiellement tropicale, sah\u00e9lienne, ne se d\u00e9veloppant qu\u2019au S. du territoire...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northafricatrees.org\/fr\/genres\/tephrosia-pers\/\" \/>\n<meta property=\"og:site_name\" content=\"North Africa Trees\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-16T09:10:16+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture est.\">\n\t<meta name=\"twitter:data1\" content=\"2 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\",\"name\":\"North \\u00e1frica trees\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"sameAs\":[],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/10\/logo-north-africa-trees.png\",\"width\":80,\"height\":70,\"caption\":\"North \\u00e1frica trees\"},\"image\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.northafricatrees.org\/#website\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"name\":\"North Africa Trees\",\"description\":\"\\u00c1rboles y arbustos aut\\u00f3ctonos del Norte de \\u00c1frica\",\"publisher\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.northafricatrees.org\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.northafricatrees.org\/fr\/genres\/tephrosia-pers\/#webpage\",\"url\":\"https:\/\/www.northafricatrees.org\/fr\/genres\/tephrosia-pers\/\",\"name\":\"Tephrosia Pers. - North Africa Trees\",\"isPartOf\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#website\"},\"datePublished\":\"2020-11-10T09:01:45+00:00\",\"dateModified\":\"2021-09-16T09:10:16+00:00\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.northafricatrees.org\/fr\/genres\/tephrosia-pers\/\"]}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/genus\/11529"}],"collection":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/genus"}],"about":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/types\/genus"}],"wp:attachment":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/media?parent=11529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}