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Suitable pH: acid, neutral and basic (alkaline) soils. They contain oxalic acid which can be hazardous if consumed in large quantities. [1][6] Seedlings can be identified by the oval leaves with red stems and rolled leaves sprouting from the center of the plant. It is hardy to zone (UK) 5. [1] It has been an invasive species of the Great Lakes region of North America where it was first sighted in 1840. The sorrels will get their own article as soon as possible. Description: Perennial 60–100 cm high, branching from about the middle; not rooting at nodes. They are: This plant will provide nectar and pollen for bees and the many other types of pollinating insects. Flowers are up to about 1/4 inch long (3 to 6 mm), light green to pinkish, 3-sided with 2 series of tepals (petals and similar sepals) and the outer tepals much smaller than the inner. Height: 50–130 cm (20–50 in.). Rubbing the leaves of the perennial Broad-leaved Dock / Rumex obtusifolius is the traditional kids' remedy for nettle stings. Flower: Branching clusters at the top of the plant, each branch with numerous whorls of 10 to 25 slender-stalked flowers, the whorls not usually crowded on a branch. The Rumex genus includes a number of species including R. acetosa (garden sorrel), R. scutatus (French sorrel), R. crispus (yellow or curly dock), R. obtusifolius (broadleaf dock), R. sanguineus (bloody dock), and more. Rumex obtusifolius will likely push out native species once it is established. The perianth-segments are in two whorls of three. obtusifolius rumex crop dock eurasian europe european flower german germany green herbal homeopath homeopathic homeopathy medical medicinal medicine nature plant remedy summer traditional vertical wild wildflower yellow. Stem basal part almost unbranched, upper branches quite erect. Cambridge University Press. Name also: Broadleaf Dock, Broad Leaved Dock, Bluntleaf Dock, Dock Leaf, Butter Dock, Bitter Dock; Family: Dock Family – Polygonaceae; Growing form: Perennial herb. In Romania, the leaves are sometimes used as an alternative to other plants in the making of sarmale. Rumex obtusifolius is a perennial herbaceous flowering plant that grows to a height of 40 to 150 cm (16 to 59 in). It is native to Europe, but is found on all temperate continents. Segments in the outer whorl are small and spreading while the inner whorl forms fruit valves, which are widely ovately-triangular. [12], Various parasites and predators of R. obtusifolius include 32 insect species and 12 fungi species. across, bisexual. times, Need more criteria? [1] In the UK, the invertebrate herbivore species is a leaf beetle, Gastrophysa viridula. Bitter dock is native to many areas or Europe, Asia (including Japan), and Greenland. [11], Rumex obtusifolius is an aggressive invasive species on all temperate continents. A nuisance weed too. [1], Leaves of the plant can be used as salad,[1] to prepare a vegetable broth or to be cooked like spinach. A tea prepared from the root was thought to cure boils. Description: Broad-leaved Dock is a perennial, aromatic weed. [1] It is easily recognizable by its very large oval leaves with cordate bases and rounded tips, some of the lower leaves having red stems. Flower: Regular (actinomorphic), approx. Rumex can be annuals, biennials or perennials with mostly basal, simple leaves and erect panicles or racemes of small greenish or reddish flowers followed by reddish-brown, triangular fruits, Details Basal leaves with petiole usually longer than lamina, stem leaves with shorter petiole; lamina oblong-ovate, to 23 cm long, to 10 cm wide, flat, … Rumex crispus: larger, veiny-patterned parts of the flower without teeth along the margin, usually all 3 of them with a distinct tubercle near the center (vs. R. obtusifolius, with larger, veiny-patterned parts of the flower with marginal teeth, only 1 of which with a tubercle near the center). Scientific Name: Rumex spp. The Royal Horticultural Society is the UK’s leading gardening charity. [9], In George Eliot's Adam Bede, set in the early 19th century, broad dock leaves were used to wrap farmhouse butter. d. By dadalia. [7], In the United Kingdom, the plant is often found growing near stinging nettles and there is a widely held belief that the underside of the dock leaf, squeezed to extract a little juice, can be rubbed on the skin to counteract the itching caused by brushing against a nettle plant. Rumex obtusifolius. Broad-leaved dock ( Rumex obtusifolius) is a long lived perennial with a basal rosette of long-stalked, smooth ovate-oblong leaves, stems 80cm-1m (32in-3¼ft) high and the distinctive seedheads on spikes that persist into winter. Native Introduced Native and Introduced. Flowers occur in clusters on the upper portions of elongated stems. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, Our Garden Centres and online shops are packed with unique and thoughtful gifts and decorations to make your Christmas sparkle, General enquiries We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. The stem leaves are alternate and are narrowly ovate–lanceolate. Our Botanical team are working hard to increase the number of plants with detailed information. Rumex obtusifolius. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Currently, the distribution of R. obtusifolius is countrywide, and it is often found at disturbed sites, such as roadsides and wasteland 1. R. obtusifolius is a robust, tap-rooted perennial to 1m or more, with smooth, oblong, long-stalked leaves. [1], Species of flowering plant in the family Polygonaceae. Look for the tall, dark brown, branched flower stalks that produced the prior year's seed crop. The grassland does flood to form pools. Flower clusters of broadleaf dock are not as dense and closely spaced as those of curly dock. Click below on a thumbnail map or name for species profiles. & Nam, S.-H., 2006. Broad-leaved dock (Rumex obtusifolius subsp. Grows naturally in waste and cultivated land, grassland and marshy places and can become a persistent garden weed, Propagation Weeds take valuable space, water, sunlight and nutrients that may otherwise be accessible … Curly and broadleaf dock . It is in flower in May. Rumex vesicarius is a ANNUAL. Try an advanced search, RHS Registered Charity no. Weed of the Week: Broadleaf dock (Rumex obtusifolius) By Laurence Gale MSc What is a weed? Upright sprays of small, green and red flowers are followed by similar-coloured fruit which then turn russet-brown, together with the stems which may persist into winter, Plant range Leaves are hairless, often with short stalks and may … It is noted for attracting wildlife. Rumex britannica: I’ll focus on these, with which I have lived in a number of gardens. R. obtusifolius and R. longifolius mainly grow in dry and wet sites, respectively 1,17. By definition a weed is a plant that is growing in the wrong place. It was also introduced to many areas of Central America, South America, Australia (including Tasmania), and New Zealand. For A. rumicis research, this host plant is generally targeted because it is found highly within the moth's range. obtusifolius) is regarded as an environmental weed in Victoria. 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