New Zealand DSIR Bulletin 99. There are also a number of other nettle species, such as the native tree nettle (Urtica ferox) often found on bush margins. Nettle is very susceptible to MCPA and 2,4-DB which can be used in pasture with little effect on clovers. The opposite leaves are dentate or have deep lobes and are usually covered with stinging hairs, as are the stems. Urtica dioica, often known as common nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. Definition of urtica ferox in the Definitions.net dictionary. Tree nettle, however, should be avoided at all times as it has been responsible for the deaths of both humans and animals (especially dogs and horses). The stems and leaves do not have the stinging hairs. | 0 0 4 minutos de lectura. Latin names: Nettle - Urtica urens, Pellitory-of-the-wall - Parietaria judaica, Perennial nettle -Urtica dioica, Tree nettle - Urtica ferox, Red dead nettle - Lamium pupureum. U.Ferox is the big native (tree nettle) which is rumoured to have killed a horse. Originally native to Europe, much of temperate Asia and western North Africa, Nettle rarely impacts on pasture production, mostly growing where grass is poor in shaded areas and high nutrient stock camps. Nettle is a genus of flowering plants comprised of roughly 40 different species. The blossoms are very small, unisexual, tetramerous, and gathered in axillary, branchy, spicate inflorescences. Email us your feedback This is lovely small perennial creating dense carpets, with tiny but very ornamental leaves. Ministry for Primary Industries (Sustainable Farming Fund). Unlike other herbaceous species of true nettles , this is a large woody shrub to 3m (=10 ft) tall. Urtica Species, Nettle Tree, Ongaonga (Urtica ferox) by bootandall Nov 10, 2012 1:17 AM Author--Krzysztof Ziarnek, Kenraiz; Wainui Bay, Tasman, NZ (Creative Commons Attribution-Share Alike 4.0 International license) It is sometimes known as "Taraonga", "Taraongaonga" or "Okaoka". Privacy (Urtica) a genus of perennial or annual herbaceous plants of the family Urticaceae. Sitting With/Dreams/Sense of the Plant: (April 19 th , 2007, Longhouse Garden Riparian Hillside, late morning, partly cloudy) While drawing this beautifully humble and delicate looking plant, memories came back of my childhood. Urtica ferox, New Zealand’s tree nettle, is even said to have killed a human (2:online). NVS code Help. Nettle is the common name for any of between 30-45 species of flowering plants of the genus Urtica in the family Urticaceae, with a cosmopolitan though mainly temperate distribution. There is no effective grazing management for nettle. Nettle. Leaves heart shaped with serrated edges, dark green and arranged in opposite pairs. The leaves 3-palmatisect or parmatipartite – something similar to hemp leaves. Accessed 19/6/17 from http://www.massey.ac.nz/massey/learning/colleges/college-of-sciences/clinics-and-services/weeds-database/nettle.cfm. Nettle is an annual plant generally germinating in either autumn or spring but it can flower any time of the year. U. ferox is found growing in coastal to lowland marginal bush often in thickets and more commonly today among Pinus radiata forests, both on the north and … Leave a message here Lianescent shrublets as well as shrublets show either monoecy (two of three taxa each) or basigynous gynodioecy (one taxon each). What does urtica ferox mean? The hairs release histamine on contact resulting in sharp needle-like pain to bare skin. Urtica feroxAlso known as Ongaonga or tree nettle. The blossoms are very small, unisexual, tetramerous, and gathered in axillary, branchy, spicate inflorescences. Dicotyledonous Trees & Shrubs. Most notorious is the tree nettle or ongaonga, Urtica ferox. gracilis ) - this is monoecious perennial to about 1,5m (=5ft) tall, native to northern and central part of USA. The opposite leaves are dentate or have deep lobes and are usually covered with stinging hairs, as are the stems. The leaves are distinctive with their strongly serrated margin, and both leaves and stems are hairy with a mixture of non-stinging and stinging hairs. Tree Nettle, Ongaonga - Urtica ferox - rare shrub - 7 seeds This is an endemic to New Zealand. Connor HE, 1992. Tepals (sepals indistinguishable from petals): 4, green, A to Z Directory Browse pictures and read growth / cultivation information about Urtica Species, Nettle Tree, Ongaonga (Urtica ferox) supplied by member gardeners in the PlantFiles database at Dave's Garden. Urtica species grow as annuals or perennial herbaceous plants, rarely shrubs. Obvious white hairs cover the stems and leaves and cause quite a bit of pain on contact (take my word for it - I speak from experience). Flowers are very small and are compactly arranged on branching spikes at the base of leaves. Vascular – Native. Urtica ferox, commonly known as tree nettle, or ongaonga in Māori, is a nettle that is endemic to New Zealand. It is native to NZ. It has woody stems and unusually large stinging spines that can result in a painful sting that lasts several days. Most commonly found in bush margins. The green parts have stinging hairs. Urtica urens... smaller than the perennial Urtica dioica. same advice on finding them. They germinate easily without any pre-treatment. Rosales - Rosales - Characteristic morphological features: Members of Rosaceae are generally woody plants, mostly shrubs or small to medium-size trees, some of which are armed with thorns, spines, or prickles to discourage herbivores. Xeronema callistemon - Poor Knights Lily , raupo-taranga (NZ Native) Flowers are green and very small, drooping in 3 cm racemes from the leaf axils. The leaves and young shoots of nettle can be eaten when cooked. I see this post was from last night, how's it now? | Accessibility The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - … Perhaps the most common species is Urtica dioica, which is a stinging nettle found in Europe, Asia, and North America. Growing throughout the country in coastal to lowland forest margins and shrubland, it is fairly common in coastal vegetation … This plant can resist temperatures down to minus eight degree Celsius. 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