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African savannas occur between forest or woodland regions and grassland regions. Flora includes acacia and baobab trees, grass, and low shrubs. Acacia trees lose their leaves in the dry season to conserve moisture, while the baobab stores water in its trunk for the dry season. Many of these savannas are in Africa.
Acacia s.l. (pronounced / ə ˈ k eɪ ʃ ə / or / ə ˈ k eɪ s i ə /), known commonly as mimosa, acacia, thorntree or wattle, [2] is a polyphyletic genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae. It was described by the Swedish botanist Carl Linnaeus in 1773 based on the African species Acacia nilotica.
The Southern Acacia–Commiphora bushlands and thickets is a tropical grasslands, savannas, and shrublands ecoregion in Tanzania and Kenya. It includes portions of Serengeti National Park and Ngorongoro Conservation Area , which are designated World Heritage Sites and biosphere reserves for their outstanding wildlife and landscapes.
The plant communities in the Llanos include open grasslands, savannas with scattered trees or clumps of trees, and small areas of forest, typically gallery forests along rivers and streams. There are seasonally flooded grasslands and savannas ( llano bajo ) and grasslands and savannas that remain dry throughout the year ( llano alto ).
Oak savanna with buttercups in Sams Valley, Oregon. Eastern woodlands of the United States - Woodlands in southeastern regions. Oak savanna - Savanna in west coast, western, and central regions. Native American use of fire - Other native uses of fire. Terra preta - Use of burning in South America agricultural use rather than grassland.
Vachellia tortilis, widely known as Acacia tortilis but now attributed to the genus Vachellia, [4] is the umbrella thorn acacia, also known as umbrella thorn and Israeli babool, [5] a medium to large canopied tree native to most of Africa, primarily to the savanna and Sahel of Africa (especially the Somali peninsula and Sudan), but also occurring in the Middle East.
Vachellia farnesiana, also known as Acacia farnesiana, and previously Mimosa farnesiana, commonly known as sweet acacia, [12] huisache, [13] casha tree, or needle bush, is a species of shrub or small tree in the legume family, Fabaceae. Its flowers are used in the perfume industry.
Savanna and open woodland are the characteristic vegetation types. Species of Combretum and Terminalia are the typical savanna trees, and the ground is covered with long grasses, herbs, and shrubs. Species of Hyparrhenia , or elephant grass, is the predominant grass, and often grows 1 meter or more in height.