Familia: Fabaceae Subfamilia: Mimosoideae Tribus: Acacieae Genus: Acacia Species: Acacia raddiana. Name. Acacia raddiana Savi. References. Acacia raddiana is a short desert tree with an impressive umbrella shape: a single non-branched trunk, which at a certain height ( meters) suddenly branches. Request PDF on ResearchGate | On Jan 1, , E. Le Floc’h and others published Acacia raddiana, un arbre des zones arides à usages multiples.
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Journal of Animal Science and Biotechnology. In other projects Wikimedia Commons Wikispecies. Fabaceae genera Acacia Mimosoids. Large-scale reforestation programmes have already been implemented to stop land degradation. A number of species have been introduced to various parts of the world, and two million hectares of commercial plantations have been established.
Acacia raddiana in Bouhedma National parc. Homogeneous acqcia Flowering Time: Archived from the original on 5 May Hayne Mimosa tortilis Forssk.
The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. Researchers in different special fields arising from ecology, eco-physiology, genetics, microbiology, entomology and forestry combined forces to clarify the taxonomy and identify the geographical distribution of this species, to analyse the diversity both of the plant host and of the associated micro-organisms, to characterise its mode of functioning and its interactions in the natural environment in response to water and nitrogen factors, and thus to bring together the elements required for its use in rehabilitation actions.
It grows in places where there is water at great depths and utilizes water stores that other plants cannot compete take advantage of.
File:Acacia raddiana in Bouhedma – Fruits.jpg
Controversy erupted in the early s when it became evident that the genus as it stood was not monophyleticand that several divergent lineages needed to be placed in separate genera.
This knowledge led to determining the resistance to thermal, saline and water stress displayed by strains of nodule forming bacteria isolated in the soil in Tunisia and Senegal. Acaciacommonly known as the wattles or acaciasis a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae.
Acacia trees were given preferential treatment: Acacia Study Group Newsletter Archived from the original on 10 November Hably, Advances in Legume Systematics: Acacia raddiana blooms mainly from October to December, also in March-April. A pragmatic view” PDF. See more from the Botanic Library. Wikispecies has information related to Vachellia tortilis. Parts of the tree including roots, shoots, and pods are also often used by natives for a vast number of purposes including decorations, weaponstoolsand medicines.
File:Acacia raddiana in Bouhedma – – Wikimedia Commons
Nonetheless, the camel succeeds in sticking its lips between the thorns and biting the leaves. Several hundred combinations raddiaba Acacia were published by Pedley in The Talmud also mentions a medicine made from Acacia.
The range of seed-eating coleoptera that are parasites of the Acacia raises questions that need answering concerning the trophic and ecological specialization of coleoptera, identification of defence mechanisms used by Acacia, and the characterisation of co-evolution of the insects and the host plant.
These results highlight the primary role of the tree in improving nutritional conditions by forming islands of fertility in an arid or semi-arid environment. raxdiana
Gum from the tree is edible and can be used as Gum Arabic. The fruit is a curled legumen.
In extremely arid conditions, it may occur as a small, wiry bush. Studies concerning the taxonomic diversity and the symbiotic properties of rhizobia nodulating Acacia raddiana revealed the wide taxonomic diversity of isolates, which contrasts with the marked homogeneity of the main symbiotic characteristics and with the structure of the ‘Nod factors’, these being good indicators of the nodulation potential of a given rhizobium.
While in the intestinal system, the beetles may die and the surviving seeds may germinate if the year is rainy.
Turner and Henderson, Sydney. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. The leaves raddjana alternate, bipinnate. The genus was first described from Africa by C. List of Acacia species. Avacia populations of the taxon display considerable genetic variability partly explained by polyploidy. Rehabilitation of degraded land is required if human activities are to continue in a rural environment, since the spontaneous vegetation in these regions provides essential food for animal herds, raddana is the main source of energy, and represents stocks for the re-formation of agro-forestry systems.
The flowers are light yellow, arranged densely in small globules, like other members of the genus.
There are several nectaries on the leaf axis. It is found mostly in the beds of seasonal streams in the desert. Retrieved from ” https: As a whole, while displaying equal water potential, the strains were more resistant to water stress than to salinity. Often, the water reserves in their large rhizosphere enables radddiana with no local rain showers and then they bear minute leaves Fig.
Plants of the Bible: Twisted Acacia
Wattle bark collected in Australia in the 19th century was exported to Europe where it was used in the tanning process. The publication ‘Useful native plants of Australia’ describes raddjana uses for eating. The causes are to be found on the one hand in unfavourable climatic changes, and on the other, in increasing human activity. However these have quite frequently ended in failure, due to the incapacity of the introduced exotic species to adapt to drought and to the low level of fertility of the rwddiana in which they were introduced.
The restoration of populations of Acacia raddiana requires further study of appropriate techniques, either for the replacement of destroyed ecosystems, or for the densification of widely-spaced populations. Leguminosae identifies the sister group of Acacia sensu stricto and two biogeographical tracks”.
The Umbrella thorn is also an important species for rehabilitation of degraded arid land; it tolerates drought, wind, salinity and a wide range of soil types, and has the additional benefit of fixing nitrogen – an essential plant nutrient – in the soil via its interaction with symbiotic root bacteria.