{"id":12072,"date":"2020-11-10T10:07:25","date_gmt":"2020-11-10T10:07:25","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/calligonum-arich-le-houer\/"},"modified":"2021-10-13T10:59:37","modified_gmt":"2021-10-13T10:59:37","slug":"calligonum-arich-le-houer","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/en\/species\/calligonum-arich-le-houer\/","title":{"rendered":"Calligonum arich Le Hou\u00e9r."},"content":{"rendered":"<p>Deciduous tree, hermaphrodite, up to 10 m in height, young branches smooth up to 76 cm in length, with internodes 5.2-12.8 mm; old branches with yellow-ochre to brown bark, rarely fissured. Leaves ephemeral, alternate, sessile, subulate. Flowers in fascicles of 2-4 or solitary, arising at the nodes of the stem, shortly pedicellate. Perianth with 6 red tepals, with a red thickening on the dorsal side. Stamens with white anthers. Styles 4, 4-6 mm long, white capitate stigmas. Fruit an achene, violet, fusiform, not twisted, 12-14 mm long, with 4 wide and glabrous ribs and 4 narrow valleculae; the fruit is partially covered by 8 rows of branched hairs, 15-20 mm in length and free to the base, so that the fruit surface is visible.<\/p>\n","protected":false},"featured_media":0,"template":"","short_name":"Calligonum arich","name_html":"<strong>Calligonum arich<\/strong> Le Hou\u00e9r.","short_description":"","common_names":"","other_name":"<em>Fre.<\/em>: Calligone arich.\u00a0\u00a0 <em>Ara<\/em>.: Arisch, arich.","flowering":"Late April to early May.","fruiting":"1-2 months after Flowering.","habitat":"Ridges and flattened peaks of large dunes. This is a very striking tree, forming small forests up to 2-10 m in height in the middle of the sandy desert.","distribution":"Ridges and flattened peaks of large dunes. This is a very striking tree, forming small forests up to 2-10 m in height in the middle of the sandy desert.","observations":"Often confused with <em>C. azel<\/em>, this species is not accepted by some authors; however, the morphological, molecular and habitat differences are very obvious in our view.","conservation":"Rare species of a limited Distribution. It is not considered threatened, but further research is recommended. Currently, it has not been assessed at a global level in the <em>IUCN Red List of Threatened Species<\/em>. In Tunisia it is included in its List of native species that are rare and threatened with extinction (Order of the Ministry of Agriculture and Water Resources, 19-July-2006).","genus":false,"images":[{"ID":"26386","post_author":"1","post_date":"2021-01-04 13:19:35","post_date_gmt":"2021-01-04 13:19:35","post_content":"","post_title":"Calligonum arich. 1. Jes\u00fas Charco","post_excerpt":"Calligonum arich. General aspect and habitat in the Great Eastern Erg. 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Jes\u00fas Charco","post_excerpt":"Calligonum arich. Trunk and bark detail. Jes\u00fas Charco","post_status":"inherit","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"calligonum-arich-2-jesus-charco-2","to_ping":"","pinged":"","post_modified":"2021-10-13 10:59:37","post_modified_gmt":"2021-10-13 10:59:37","post_content_filtered":"","post_parent":"12072","guid":"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/11\/Calligonum-arich.-2.-Jesus-Charco.jpg","menu_order":"0","post_type":"attachment","post_mime_type":"image\/jpeg","comment_count":"0","translation_id":"18278","element_type":"post_attachment","element_id":"26388","trid":"118281","language_code":"en","source_language_code":"es","id":"1","code":"en","english_name":"English","major":"1","active":"1","default_locale":"en_US","tag":"en","encode_url":"0","pod_item_id":"26388"},{"ID":"26390","post_author":"1","post_date":"2021-01-04 13:19:37","post_date_gmt":"2021-01-04 13:19:37","post_content":"","post_title":"Calligonum arich. 3. Jes\u00fas Charco","post_excerpt":"Calligonum arich. Branches with young twigs and flowers. Jes\u00fas Charco","post_status":"inherit","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"calligonum-arich-3-jesus-charco-2","to_ping":"","pinged":"","post_modified":"2021-10-13 10:59:38","post_modified_gmt":"2021-10-13 10:59:38","post_content_filtered":"","post_parent":"12072","guid":"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/11\/Calligonum-arich.-3.-Jesus-Charco.jpg","menu_order":"0","post_type":"attachment","post_mime_type":"image\/jpeg","comment_count":"0","translation_id":"18280","element_type":"post_attachment","element_id":"26390","trid":"118282","language_code":"en","source_language_code":"es","id":"1","code":"en","english_name":"English","major":"1","active":"1","default_locale":"en_US","tag":"en","encode_url":"0","pod_item_id":"26390"},{"ID":"26392","post_author":"1","post_date":"2021-01-04 13:19:37","post_date_gmt":"2021-01-04 13:19:37","post_content":"","post_title":"Calligonum arich. 4. Jes\u00fas Charco","post_excerpt":"Calligonum arich. Twig with flowers and fruits (achenes) in different stages of maturation. Jes\u00fas Charco","post_status":"inherit","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"calligonum-arich-4-jesus-charco-2","to_ping":"","pinged":"","post_modified":"2021-10-13 10:59:38","post_modified_gmt":"2021-10-13 10:59:38","post_content_filtered":"","post_parent":"12072","guid":"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/11\/Calligonum-arich.-4.-Jesus-Charco.jpg","menu_order":"0","post_type":"attachment","post_mime_type":"image\/jpeg","comment_count":"0","translation_id":"18282","element_type":"post_attachment","element_id":"26392","trid":"118283","language_code":"en","source_language_code":"es","id":"1","code":"en","english_name":"English","major":"1","active":"1","default_locale":"en_US","tag":"en","encode_url":"0","pod_item_id":"26392"}],"map_legend":"","kml":false,"zone_1":"[\" 9.228515700000001,31.7328393\",\" 9.2559814,31.470839\",\" 9.382324199999999,30.911651\",\" 9.5197474,30.4627753\",\" 9.6130371,30.3586564\",\" 9.948120100000001,30.2970179\",\" 10.1924005,30.358756\",\" 10.3271484,30.4676141\",\" 10.7006836,30.9257887\",\" 10.7556152,31.4333503\",\" 10.4644775,31.7281671\",\" 9.876709,32.0406766\",\" 9.569091800000001,32.0732656\",\" 9.244995100000001,31.858897\",\" 9.228515700000001,31.7328393\",\" \"]","zone_2":"","zone_3":"","zone_4":"","zone_5":"","zone_6":"","zone_7":"","zone_8":"","zone_9":"","zone_10":"","zone_11":"","zone_12":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.6.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Calligonum arich Le Hou\u00e9r. - 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=\"Calligonum arich Le Hou\u00e9r. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Deciduous tree, hermaphrodite, up to 10 m in height, young branches smooth up to 76 cm in length, with internodes 5.2-12.8 mm; old branches with yellow-ochre to brown bark, rarely fissured. Leaves ephemeral, alternate, sessile, subulate. Flowers in fascicles of 2-4 or solitary, arising at the nodes of the stem, shortly pedicellate. 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