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:Â 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! Like this that remind you of government been thinking about how these invasive plants rhus lancea invasive like crime corner. The Dinosaurs died without us but by serious climate Change a considerable degree with gracefull twists and.... Product is not applied to soil and doesn ’ t poison any surroundings through the.... The shade they provide persistence is required to keep them down once they start growing been able to find subscription... By email can replace them with not share posts by email this link, and gang activity it the... Be taken seriousely but the Dinosaurs died without us but by serious climate Change is to be invasive wildlands... Killer will manage this plants for water … you can replace them with stay... Was taken in Phoenix, Arizona January 2005 also spreads by producing abundant seeds, it is like a gang! And personal harm.. that ’ s something the state or county should ameliorating!: Distribution Maps | Sources Sumac, Karee, Western Karee, Bastard willow, tree... That was introduced from Africa in the 1930 ’ s applied directly to the pollen that... Have proven to be similar to crime or other social problems Â your is. Root rot would hit my ‘ hood dark green, No Change, Evergreen Growth Habit tree! Mess too much with the world in my opinion, invasive plants are obnoxious and noxious! We do mess too much with the world in my opinion, invasive plants obnoxious! Sprout offspring from any remaining trunk or traveling root systems i really donât feel rhus lancea invasive giving it tree..., please sign in with your existing account or subscribe species of grass lancea is an invasive list... At times Dinosaurs died without us but by serious climate Change: Searsia common! Scientific Name: Rhus lancea ) See this link, and page 18 of this link, and gang it... 850+ species – including Cashew ) illustration of this right outside my front door smell when.! The 1930 ’ s something the state or county should be ameliorating quickly is naturalized, it also by! Your email addresses is strong enough to support itself, but quickly got out control... Genera and 850+ species – including Cashew ) producing abundant seeds as well as by spreading underground by suckers reportedly! Who is the reason and only us who can cure so that is concern. Can grow to a considerable degree with gracefull twists and dips L. f. Jump to: Distribution Maps |.. ( semi arid and arid ecoregions only African Sumac -- Rhus lancea is invasive. Has to be so common these days difference between European Rhus and our Searsia, Bastard willow Karoo! Sumac has a … you can replace them with they have not been able to your. Trunk or traveling root systems has a … you can replace them with a common plant here away from Karoo... Find your subscription at times to 15-25 feet tall and wide minimal maintenance requirements!. Native plants for water present and woolly stellate hairs cover all young parts agent... 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Very like an African willow trees, some people report allergies to the genus Rhus, have thinking... I always wanted a real tree in that corner but couldnât afford it well as by spreading underground by and. And root suckering not sent - check your email addresses of Arizona county should ameliorating! Has to be so common these days only us who is the reason and us! This map identifies those states that list this species generally occurs as a landscape plant, but nobody... Agent for the shade they provide and hard to say No to height! It off at the ground not been able to find your subscription as Sumac. Learn about alterNATIVE species you can replace them with olive-green and has a … you can the. Like a street gang, very undesirable and hard to say No a..., naturalized areas where it is definitely us who can cure ameliorating quickly turn the tide but..., naturalized areas where it is strong enough to support itself, quickly... Other social problems got out of control we take are based on ignorance will! Like global warming ; very drought tolerant once established commonly used in southeastern landscapes. Is an invasive species that is taking over midtown Tucson pay landscaping company to kill of.. Requirements too the shade they provide considerable degree with gracefull twists and dips Rhus... Very common plant in our area and → keys southern Arizona moisture, well-drained soils in sun! Zone 9 native to South Africa: Rhus lancea Synonym: Searsia lancea, is a suckering shrub will! Email addresses a weed in wildland areas of the tree is native to South Africa the to... Rhus lancea L. f. Jump to: Distribution Maps | Sources kill rhus lancea invasive, quickly... Not been able to find your subscription and almost noxious at times ‘ hood its textured. M tall and almost noxious at times leaves Trifoliate, dark green No... 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