The Trunk is longitudinally furrowed and dark grey to brown (similar to S. lancea). Searsia lancea in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Searsia lancea commonly known as karee, karree (Afrikaans), is an evergreen, frost hardy, drought resistant tree, which can reach up to 8 metres in height with a 5 metre spread. 1989). Deep soil pits in the Mispah trial plots at Vaal River have shown that S. lancea is capable of developing a deep root system below 3 m from the surface, a very useful attribute in trees established to utilize groundwater. R. lancea - R. lancea is a spreading to rounded, borderline hardy evergreen tree, single or multi-stemmed, with slightly pendent branches bearing dark green leaves divided into three long, narrowly lance-shaped leaflets. Searsia lancea information from ITIS The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Searsia lancea, as well as other plants, animals, fungi, and microbes of North America and the world. Medium growing evergreen tree to 15-25 feet tall and wide. This drought and frost tolerant species has a neat rounded crown with dark, olive green leaves and yellowish-brown fruit which is much relished by a variety of birds. with help from F. A. Barkley. Habit Shrub or small tree up to 6 m. high, glabrous; branches and branchlets straight, angular or striate; bark ± dark-reddish-brown, lenticellate. Searsia lancea, commonly known as the Karree, is an evergreen tree that is found throughout southern Africa.Its leaves and fruits are traditionally used medicinally for the treatment of diabetes, herpes, and pustules. Rhus Rhus. share. The density of the tree also allows it to be planted as an efficient barrier tree, screening out objectionable views and acting as protection against wind or noise. EFFECTS OF DIFFERENT SOIL AMELIORANTS ON KAREE TREES (SEARSIA LANCEA) GROWING ON MINE TAILINGS DUMP SOIL—PART I: POT TRIALS. Growth Rate: 24 Inches per Year. Annual sap flow in evergreen Searsia lancea trees was estimated to be 1044 mm. The Trunk is longitudinally furrowed and dark grey to brown (similar to S. lancea). Tree Characteristics. Common Names(s) - Karree, Willow rhus, African sumac. Angela Pun. We have not planted or seeded it. However, the spatial resolution of the MRI images remains coarse relative to the diameter of typical fine roots, causing many gaps in the visible root system. Family - Anacardiaceae. The distribution ranges of S. lancea and S. pendulina overlap in places, but S. lancea is quite easy to tell from S. pendulina , the leaflets are longer and narrower, usually much more leathery, and a darker olive-green, and the bark is dark brown to black and rough. The fruit, bunches of small green berries that ripen to brown, are borne on the female plants. It could thus be considered as a possible pioneer plant for establishing a new forest in an area that receives frost. The tree has a graceful, weeping form and dark, fissured bark that contrasts well with its long, thinnish, hairless, dark-green, trifoliate leaves with smooth margins. Likes full sun and little to moderate water. Growing to a height of between 7 and 8 m, with a similar spread, the tree is evergreen providing shade in the hot summers. For these reasons the effects of different soil ameliorants (woodchips compost, vermicompost, mature sewage sludge), added to the root system of Karee (Searcia lancea) saplings were tested in pot trials. African Sumac Problems. web interface by Unidentified ‍♂️. Rhus lancea. They however have a non-aggressive root system. Flora Zambesiaca 2:2. Searsia lancea has a drooping crown of dense glossy olive-green foliage. Additional Common Names. Ken Fern, 14, No. Searsia lancea is a low branching, usually single-stemmed, tree which has a dense, rounded, wide-spread canopy of glossy, olive-green foliage.It has a graceful, weeping form, dark, fissured bark and a contorted trunk The Karee can be used as a protective canopy for frost sensitive and shade loving plants and works well as a wind, noise or privacy barrier. Species in Searsia. AFRICAN SUMAC, KAREE. 1/5. Rhus pendulina) has an attractive growth habit, and the 5m-tall karee (Searsia lancea syn. What you need: Respect for the tree; Spade; Plyers; Stakes; Cable Ties; Rope; Bone Meal; Compost; Step 1: dig a hole for each tree according to the size of the root base. Medium semi-deciduous tree - strong and fast growth - usually with more than one trunk. Anacardiaceae, Rosette Fernandes and A. Fernandes. PlantScreen TM Root System is conveyer-based integrated robotic solution designed for digital root and shoot phenotyping. y=1, n=-1: 1.03: Does the species have weedy races? Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Botanical name. It naturally has a low branching habit, producing multiple stems from ground level, but can be pruned into a single stemmed little tree. It displays a soft green colour with very fine leaves. in South Africa, but also in desert regions of the United States and Mexico, where it is locally naturalized. It is wide spread and is only missing from Kwazulu Natal. Searsia lancea does not have an aggressive root system and can be used near paving and tarred surfaces, hence they are often used in parking lots for shade. Searsia lancea can also potentially change the microclimate on such a rehabilitation site by reducing wind speeds, reducing the immediate atmospheric temperature during warm sunny periods and providing protection during cold weather or frost (Belsky et al. The tree is naturally found in semi-desert areas stretching from Namibia to the Free State and Orange River regions to the Northern Cape. Rhus lancea / Searsia lancea - Karee The Karee tree is quick growing, very popular and widely used as a shade tree. . Because the karee is hardy, frost resistant and evergreen, it is ideal for establishing a protective canopy for frost sensitive and shade loving plants. Searsia lancea (= Rhus lancea) is a very drought and cold hardy evergreen tree, the Karee is a symbol of South Africa’s dry interior.Reasonably fast growing, it is happy in most soils, even poor draining types. ... groundwater and surface water systems. Ecological Site Information System: PLANTS Identification Keys: Plant ... Searsia F.A. AP. USDA, ARS, Germplasm Resources Information Network. It is both drought and frost resistant. Was this reply helpful? It will tolerate moderate frosts and is drought hardy. Size: Clear: Cheesewood / Kasuur quantity. Synonym(s) - Rhus lancea L. f. Answer: Score: 1.01: Is the species highly domesticated? The tree boles are considered valuable as fence poles, and the wood is used for implement handles and wagon parts. The sap of this tree is used in traditional medicine for treating heart complaints. Searsia lancea. Searsia lancea is indigenous in Zambia, Namibia, Botswana, Zimbabwe, South Africa and Lesotho. You can identify the olive-green Karee leaves by it’s compound leaf growth in a three-leaflet format. If the tree is planted too deep, new roots will have difficulty developing because of a lack of oxygen. Comments have to be approved before they are shown here. The genus Searsia is in the family Anacardiaceae in the major group Angiosperms (Flowering plants). Statistics are at the end of the page. Description: Evergreen, dioecious shrub or small tree up to 9–12 m tall, glabrous; bole often twisted and crooked; bark surface dark grey to dark brown, rough, often irregularly fissured; twigs reddish brown, angular or slightly grooved, pendulous. It bears small yellow flowers followed on female trees by bunches of small yellow-green flattish fruits, which are relished by birds. Searsia lancea (L. The rough bark is dark brown to blackish and is used for tanning while the fruit is pounded with water and brewed into a tasty beer. Willow rhus grows from seeds and can sucker from the roots. Those pots were filled with platinum and gold tailings substrate as well as red clay soil, respectively. fil.) – Dig a saucer-shaped hole as deep as the root ball and 2-3 times wider than the width of the root ball. We have not planted or seeded it. Searsia leptodictya. Title PlantZAfrica.com Publication Rhus lancea L. f. taxonomy/phylogenetic: Encyclopedia of life: Show Biotic Interactions: taxonomy/phylogenetic: Global Biotic Interactions: Searsia lancea (Linneaus F.) F. A. Barkl. Useful Tropical Plants Database 2014 by See "Status", "Confidence level", "Source" for definitions. It is planted in hedges and as ornamental tree, e.g. Longevity 50 to 150 years. lancea: a reference to the narrow, lance-shaped leaflets. 9, pp. This tree has a graceful, weeping form, with a softly rounded crown. Barkley: Species: Searsia lancea (L. f.) F.A. The 6m-tall white karee (Searsia pendulina syn. Searsia lancea the karee or red karee and S. leptodictya the mountain karee are both often confused with S. pendulina . Because the karee is hardy, frost resistant and evergreen, it is ideal for establishing a protective canopy for frost sensitive and shade loving plants. It is one of the most common trees on the Highveld and in the Bushveld in South Africa, but not found in the Lowveld. We planted a Ficus natalensis, 2 Olea africana’s, Searsia lancea and 2 Buddleja saligna’s . Rhus lancea L. fil. Leaves Trifoliate, Dark Green, No Change, Evergreen. Annual sap flow in evergreen Searsia lancea trees was estimated to be 1044 mm. That's largely because they grow too big for many properties, have big roots that crack pavement, and constantly shed bark and branches, said Roger Putney of Civano Nursery. DC in a Hamster Model and Application of PET-CT for Early Detection and Monitoring Progression of Cholangiocarcinoma." Thanks for your feedback. Searsia lancea. 1. 1966. Description: Evergreen, dioecious shrub or small tree up to 9–12 m tall, glabrous; bole often twisted and crooked; bark surface dark grey to dark brown, rough, often irregularly fissured; twigs reddish brown, angular or slightly grooved, pendulous. In North America, where it is naturalized, it is known as African sumac and willow rhus. Excellent tree for a small yard or on dry slopes or banks. The leaves and stem of this plant have been reported to have anticancer activity against some cancer cell lines, and it has also shown toxicity toward some normal cell lines. The non-invasive root system makes this a highly suitable choice for small gardens as well as any built up and paved public areas. It grows to 5-10 meters and makes a lovely evergreen shade tree, hedge, wind break and roadside tree. back to top. Previous Names: Rhus leptodictya, Rhus rhombocarpa, Rhus guienzii. The root system can define as the ramose structures that can form subterranean or superterranean to the earth surface. A lovely dense, dark green shade tree bearing small, brown-yellow edible berries in summer and autumn. Searsia lancea does not have an aggressive root system and can be used near paving and tarred surfaces. DC. If you have any useful information about this plant, please leave a comment. Effects of different soil ameliorants on Karee trees (Searsia Lancea) growing on mine tailings dump soil – Part I: Pot trials dc.contributor.author Kotte, Karsten Rounded or Spreading Shape. Quick and easy to grow, Searsia pendulina has a non-invasive root system and it can endure wind and drought conditions. Conservation: National Status: Not Evaluated. African sumac (Rhus lancea) is a drought-tolerant shade tree that grows in U.S. Department of Agriculture Plant Hardiness Zones 8 … Breeding crops with ideal root system architecture for efficient absorption of phosphorus is an important strategy to reduce the use of phosphate fertilizers. In the cold and dry interior of South Africa it is often used as a pavement tree. Farmers also like this tree as it’s considered good fodder for livestock and game. DC. Close. in South Africa, but also in desert regions of the United States and Mexico, where it is locally naturalized. Sprays of minute, scented greenish-yellow flowers occur in spring. Figure 1. It has a graceful, weeping form, with a softly rounded crown. Willow rhus (Searsia lancea) Also known as: karee, African sumac . The tree is a good shade tree for gardens, parks and pavements. DC in a Hamster Model and Application of PET-CT for Early Detection and Monitoring Progression of Cholangiocarcinoma." – Straighten the tree in the hole. International Journal of Phytoremediation: Vol. The tree does not have an aggressive root system and can be used near paving and tarred surfaces[295. Other names. Botanical Name: Pittosporum viridiflorum Did you know? Thanks for your feedback, it helps us improve the site. Phoenix Arizona, is not the same as tree stump in photo. Spreading or Weeping with a Low Canopy. ‘Lancea‘ refers to the lance-shaped leaflets. Searsia lancea. It is a useful soil stabiliser and increases the soil penetration of rainwater, reducing erosion and raising the ground water table. hide. On top of this, the dense wood makes excellent furniture, kitchen utensils, fence posts for farms, pipes, or decorative carved ornaments. The growth of root system depends upon the soil composition, soil type, type of plant species and the growth conditions. (2012). In earlier times the fruits were pounded, water added and left to ferment, producing an evidently refreshing beer. Sorry this didn't help. A species of tree belonging to the cashew and sumac family, https://en.wikipedia.org/w/index.php?title=Searsia_lancea&oldid=985431270, Short description is different from Wikidata, Taxonbars using multiple manual Wikidata items, Creative Commons Attribution-ShareAlike License, This page was last edited on 25 October 2020, at 22:39. Unidentified ‍♂️ . The tree can be planted on its own or grouped together to form a privacy screen. There are many species in the genus Searsia in the RSA. Information on Risk Assessments: Searsia lancea (Linneaus F.) F. A. Barkl. y=-3, n=0: n: 0: 1.02: Has the species become naturalized where grown? Searsia lancea does not have an aggressive root system and can be used near paving and tarred surfaces. The black-brown trunk is contorted and rough. Searsia; Searsia. Learn more about Searsia lancea,Karee,Rooikaree, Swartkaree growth rate, seasonal changes, root system, hardiness, water needs, soil type, flowers, attraction to birds, insects and game Leeuwfontein Estates Huiseienaarsvereniging / Home Owner's Association Because the karee is hardy, frost resistant and evergreen, it is ideal for establishing a protective canopy for frost sensitive and shade loving plants. Accessed: 2018 Aug. 12. – Place the tree at the proper height. It does not have an aggressive root system and is suitable to grow around the home, in lawns, near paving and tarred surfaces. Think it's a tree. How satisfied are you with this reply? [2] It is one of the most common trees on the Highveld and in the Bushveld in South Africa, but not found in the Lowveld. It is a hardy, evergreen tree of medium size, and works well for smaller gardens. Searsia lancea (L.f.) F.A.Barkley APNI* . Searsia lancea (Linneaus F.) F. A. Barkl. 2 comments. The small, local amounts of water in roots require a relatively high resolution, which results in low SNR images. References. Think it's a tree. Published on the internet. Goats and game (Kudu, Nyala, and Bushbuck) browse the leaves. Richard Morris. Searsia lancea. Searsia lancea (previously known as Rhus lancea) is an attractive, small to medium sized evergreen tree that is widely cultivated as a garden ornamental. Because the karee is hardy, frost resistant and evergreen, it is ideal for establishing a protective canopy for frost sensitive and shade loving plants. Fire-resistant for defensible space; Growth Rate: Fast. It’s a wonderful shade tree, and with its non-aggressive root system it’s ideal for small gardens and containers. This medium-sized Indigenous tree naturally has a low branching habit, producing multiple stems from groundlevel, but it can be pruned into a single stemmed little tree. report. – Remove the tree from the container. Species. This spineless Tree may reach 9m high (usually half this height) or grow as a spreading shrub. Taxonomic change: The accepted name of this plant as per the Integrated Taxonomic Information System (ITIS) and U.S National Plant Germplasm Repository System is Searsia lancea. Searsia lancea commonly known as karee, karree (Afrikaans), is an evergreen, frost hardy, drought resistant tree, which can reach up to 8 metres in height with a 5 metre spread. Tree. Recognized by Plant Forms, Habitat and Distribution, Flora of Zimbabwe, and USDA Plants data. It can grow on a variety of soils and does not have an aggressive root system. Landscape Use: Relatively … Botanical Name: Searsia Lancea, formerly Rhus Lancea ... Root System: Invasive Soil Type: Restrictive Frost Tolerance: Hardy Drought Resistance: D rought resistant Uses: In earlier times the fruits were pounded, water added and left to ferment, producing an evidently refreshing beer. Searsia lancea (Rhus lancea) This tree has recently changed its name from Rhus lancea. Add to cart. Searsia lancea does not have an aggressive root system and can be used near paving and tarred surfaces. … Add to quote. Barkley [excluded] Subordinate Taxa. tree bark is from different plant.