However, Acacia s.l. Son bois est dur et jauntre. Botanical Journal of the Linnean Society 172(4): 500523. This page was last edited on 12 September 2020, at 07:21. ADVERTISEMENTS: The following points highlight the eight main Phytogeography regions of India. La maitrise de la germination de sa graine ncessite attention particulire pour la multiplication de lespce. & Boatwr. Flora of Assam 6. Flora of Central Himalayas 8. Acacia tortilis subsp. Lcorce est rugueuse et de couleur allant du gris au noir, en passant par le brun fonc. Subsp. Flora of Deccan 2. nov., Athidiplosis walteri gen. et sp. Generate a print friendly version containing only the sections you need. Large population of subsp. is polyphyletic and in need of reclassification. Hayne subsp. Vgl. Acacia tortilis is a keystone species across arid ecosystems in Africa and the Middle East. It has both straight and hooked thorns to help protect its highly nutritious leaves and pods from herbivores. spirocarpa in Turkana Province (Kenya) provide products (fuelwood, fodder) which underpin the communities that live there. Most of the strains tested responded similarly to flavonoid nod gene inducers, as estimated by These wadis occasionally flood after torrential rainfall, and Flowers are small and white, highly aromatic, and occur in tight clusters. Copyright 2020 CAB International. Seeds are produced in pods which are flat and coiled into a springlike structure. Hayne Acacia tortilis Forssk. A tree usually 2.515 m high, sometimes as low as 1.2 m or (El Amin, 1973) up to 25 m. Bark or trunk rough and fissured, black to blackish grey or brown, never powdery or peeling. 2Department of Chemistry Adamawa State University, P. M. B. Acacias are native to tropical and subtropical regions of the world, particularly Australia (where they are called wattles) and Africa, where they are well-known landmarks on the veld and savanna. ex A. It grows up to 21m in height. The plant is known to tolerate high alkalinity, drought, high temperatures, sandy & stony soils, strongly sloped rooting surfaces, and sand blasting. Parts of the tree including roots, shoots, and pods are also often used by natives for a vast number of purposes including decorations, weapons, tools, and medicines. Hayne Prolific flowering on thorny shoots of A. tortilis subsp. Previous phylogenetic studies have indicated that Acacia Miller s.l. Classification. Twenty-eight new species of plant-feeding Cecidomyiidae are described by the 1st author from galls on Acacia nilotica, A. drepanolobium, A. tortilis, A. mellifera and A. senegal in Kenya. Phylogenetic position and revised classification of Acacia s.l. Providing shade, fuel and fodder in the Ruaha Valley, Tanzania. The dominant tree species within all regions is Acacia tortilis Forssk. Hayne is a thorny legume tree, usually about 4-8 m high, but it can reach 20 m. The crown is dense, umbrella-like and flat-topped. L raddiana (Savi)Brenan, Acacia tortilis subsp. Acacia tortilis (Forsk.) Of particular importance is the classification devised by Bentham (1842), with a later revision in (1875), in which the genus was divided into six series viz. Acacia tortilis est un arbre pineux des terres arides dAfrique pouvant atteindre jusqu 21 m de haut pour certaines sous-espces, mais dans le cas de la sous-espce raddiana larbre atteint une hauteur de 10 m [ 3 ]. Flora of Indus Plain 4. Acacia tortilis (Forssk.) Germination strategy of the East African savanna tree Acacia tortilis - Volume 21 Issue 5 - Paul E. Loth, Willem F. de Boer, Ignas M. A. Heitknig, Herbert H. T. Prins Germination of Acacia tortilis seeds strongly depends on micro-site conditions.
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