{"id":11071,"date":"2020-11-10T09:01:14","date_gmt":"2020-11-10T09:01:14","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/artemisia-l-2\/"},"modified":"2022-12-07T10:10:19","modified_gmt":"2022-12-07T10:10:19","slug":"artemisia-l-2","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/en\/genuses\/artemisia-l-2\/","title":{"rendered":"Artemisia L."},"content":{"rendered":"<p>Genus composed of about 480 species, widely dispersed throughout the northern Hemisphere. In North Africa it is represented by some 22 species, distributed mainly through the Mediterranean area. In general, they are chamephytes smaller than 50 cm, although sometimes species such as <strong>A. judaica<\/strong> and <strong>A. absinthium<\/strong> can reach up to 1 m in height. Only one species, <strong>A. arborescens<\/strong>, can be considered truly shrubby. Among the other species, the following stand out as the most robust:<\/p>\n<p><strong>A. campestris<\/strong> and <strong>A. herba-alba<\/strong> are Mediterranean, missing almost entirely from the northern Sahara but with isolated populations in the mountainous massifs of the central Sahara as vestiges of the past, when these mountains were covered by Mediterranean vegetation.<\/p>\n<p>Although small in size, usually smaller than 50 cm, there are 3 species that can become very common. The 3 with more or less whitish young twigs because they are covered with white hairs. They are:<\/p>\n<p><strong> A. herba-alba<\/strong> Asso (<em>Fre.:<\/em> Armoise blanche, <em>Tamahaq<\/em>: Zazar\u00e9). One of the most common species. It is very polymorphic and numerous subspecies have been described that have often been elevated to the rank of species. It differs by its very small adult leaves (2-8 mm long), greenish-greyish, with very narrow, filiform segments (less than 1 mm wide); elongated, narrow capitula (1-3 mm wide), with few flowers (3-6); it grows in dry areas in the southern Mediterranean region.<\/p>\n<p><strong> A. barrelieri <\/strong>Besser, which is up to 0.7 m in height and characterised by its adult leaves (1-2.5 cm), bipinnate, with terminal linear-spatulate segments, less than 1 mm wide, and ovoid floral capitula, 2.5-3 mm in diameter, homogamous (with all flowers hermaphrodite); it is endemic to the SE Iberian Peninsula and the N of Morocco.<\/p>\n<p><strong> A. alba <\/strong>Turra (<em>A. fruticosa <\/em>Asso), with woody stems at the base, glabrescent and greenish leaves, with segments 1-2 mm wide and capitula (3-4 mm wide) in narrow spiciform inflorescences. It is a Mediterranean plant that has 2 subspecies in North Africa: subsp.<strong> chitachensis <\/strong>Maire, endemic to Morocco, and subsp.<strong> kabylica <\/strong>(Chabert) Greuter, endemic to Algeria (western Kabylia: A\u00efn El Hammam).<\/p>\n<p>Some species and more specifically, <em>A. herba-alba<\/em>, play a very important role in the formation of vast North African landscapes, mainly in steppic zones, where these chamaephytes are often dominant.<\/p>\n<p>Common and widely distributed species. Currently, they has not been assessed at a global level in the <em>IUCN Red List of Threatened Species<\/em>.<\/p>\n","protected":false},"template":"","class_list":["post-11071","genus","type-genus","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Artemisia L. - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Artemisia L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Genus composed of about 480 species, widely dispersed throughout the northern Hemisphere. In North Africa it is represented by some 22 species, distributed mainly through the Mediterranean area. 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