There is at least one Rhus you should stay away from. The stump will probably grow back again too. Tree Characteristics. As you know, persistence is required to keep them down once they start growing. Leaves are simple, trifoliate … To continue viewing content on tucson.com, please sign in with your existing account or subscribe. Identification Angiosperm or Gymnosperm: The African Sumac is an angiosperm. Special to the Arizona Daily Star, Garden Sage - Contain ground squirrels; deadly mistletoe; trim a 'sport', Garden Sage - Saving it for hummers; spider mites devastate; mildew wilts bush, Garden Sage - Deadly necrosis; transplant stress; plant reverts to past, Garden Sage - Some grasses OK; whitefly problem; transplanting agaves, Garden Sage - controlling spider mites; trimming citrus; flea beetles. What the heck is it? If they are ignored they will take over and eliminate the native species because they are powerful and destructive. Aside from the fact that displaces native plants, and forms solid stands of itself, as a landscape plant it’s just a crappy tree. Change ), You are commenting using your Facebook account. Spreading cooling shade throughout desert, inland, and coastal regions, Rhus lancea is a South African native that has become extremely popular for use on medians, lawns, parking lots and parks. Rhus Lancea, also known as Karee, is a drought-resistant perennial native to South Africa and also found in dry parts of the United States. To have something that could cause physical and personal harm.. that’s something the state or county should be ameliorating quickly. An evergreen tree that grows slowly to 30’ tall and 35’ wide, it is available at Boething Treeland in standard and multi-trunk forms. It was brought here as a landscape plant, but quickly got out of control. They are tough and do well with little care and may be used as street trees or in places where little else will grow well. While we are rather sure where the plants come from or what the sources of social issues are we do not really know about global warming. The species name "lancea" refers to the lance shaped leaves. Heat and drought tolerant. They are easy to prune or shear and have minimal maintenance requirements too! Discernment early rather than late can turn the tide, but usually nobody is paying attention..like global warming. They multiply like crazy because they have not natural enemies in Louisiana. TREE: Cultivated tree.Often 4 to 8 m tall. Most of the species grown in southern Africa, belonging to the genus Rhus, have been placed in Searsia.In southern Africa there are about 111 species of Searsia. Leaf Pattern: Width: 20 - 35 feet. Click on the links to learn about alterNATIVE species you can replace them with. Searsia was named after Paul B. Sears (1891-1990) who was head of the Yale School of Botany, and lancea refers to the lance shaped leaflets.. If there is irrigation water, rhus lancea will be very likely to sprout and grow, taking nutrients and moisture from the native or landscape plants. Resin canals are present and woolly stellate hairs cover all young parts. Rhus lancea L. f. Jump to: Distribution Maps | Sources. African sumac (Rhus lancea) is a common plant here. Rhus lancea INVASIVE WEED A widely promoted low water use landscape tree that threatens riparian areas by diverting channel flow, thus enhancing the potential for streambank erosion, and it can displace mesquites. Rounded or Spreading Shape. We do mess too much with the world in my opinion, Invasive plants are obnoxious and almost noxious at times. African Sumac. We pay landscaping company to kill our landscaping plants and waste large amounts of water each day. They are easy to prune or shear and have minimal maintenance requirements too! Fire-resistant for defensible space Thanks very much Thayla. Rhus lancea L. f. Jump to: Distribution Maps | Sources. Their seeds will grow wherever there is available water. Longevity 50 to 150 years. Rhus lancea This photo was taken in Phoenix, Arizona January 2005. Cultivation Notes: The African sumac has a … Here in Calif .. bamboo has to be carefully watched as do other species of grass. A: Your tree is called African sumac (Rhus lancea) and it is a very common plant in our area. The Arizona Native Plant Society lists African Sumac as an invasive weed. The African sumac is a medium size evergreen tree growing with a low branching habit, 20-30 ft. tall, and a round canopy of equal or greater width. They can grow to a height and width of 30-40 feet. Their seeds will grow wherever there is available water. ( Log Out / Tree for a small yard or on dry slopes or banks taken seriousely rhus lancea invasive the died... You know, persistence is required to keep them down once they become trees! 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