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'''White clover''' (''Trifolium repens'') is a [[species]] of [[clover]] native to [[Europe]], North [[Africa]], and West [[Asia]]. It has been widely introduced worldwide as a [[pasture]] crop, and is now also common in most grassy areas of [[North America]] and New Zealand. It is a [[herbaceous]] [[perennial plant]]. It is low growing, with heads of whitish flowers, often with a tinge of pink or cream that may come on with the aging of the plant. The heads are generally 1.5-2 cm wide, and are at the end of 7 cm [[Peduncle (botany)|peduncles]] or flower stalks <ref name="wotn">Richard H. Uva, Joseph C. Neal and Joseph M. Ditomaso, ''Weeds of The Northeast'', (Ithaca, NY: Cornell University Press, 1997), Pp. 236-237.</ref>. The leaves, which by themselves form the symbol known as [[shamrock]], are [[trifoliolate]], smooth, elliptic to egg-shaped and [[Petiole (botany)|long-petioled]]. The stems function as [[stolon]]s, so white clover often forms mats with the stems creeping as much as 18 cm a year, and rooting at the nodes <ref name=wotn/>. White clover grows among turfgrass, crops, and in a large number of other landscapes.<ref name=wotn/> It is also found in a limited range of different field type environments. White clover can tolerate close mowing, and can grow on many different types and [[pH]]s of soil, but prefers [[clay]].<ref name=wotn/> It is considered to be a beneficial component of natural or organic lawn care due to its ability to [[Nitrogen fixation|fix nitrogen]] and out compete lawn weeds. Natural nitrogen fixing reduces leaching from the soil and can reduce the incidence of some lawn diseases that are enhanced by the availability of synthetic fertilizer. <ref name="Tukey">The Organic Lawn Care Manual'', Tukey, Storey Publishing. p 183.</ref> {{Inc| Trifolium repens, Linn. White Clover. Low creeping glabrous perennial: lvs. long-stalked, the lfts. obcordate and obscurely toothed, the stipules small and scale-like: heads long-peduncled from the ground, small and loose: fls. white, fragrant. Eu. and thought to be native in the northern part of the U. S. and in Canada, but naturalized everywhere.—Much used in lawns, and in some parts prized for pasture. There are forms with red and purplish foliage. This is considered by most authorities to be the shamrock of Ireland. A form of it is offered as T. minus, "the genuine Irish shamrock." See Shamrock. Var. atropurpureum, Hort., is a dwarf form: lvs. bronze, edged with bright green. Var. pentaphyllum, Hort., is a creeping rock-plant: lvs. have a bronze luster. Var. purpureum, Hort., has fine bronzy purple foliage. The species assumes many forms. {{SCH}} }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== ==Gallery== <gallery perrow=5> File:Trifolium March 2008-1.jpg File:Trifolium repens 08 ies.jpg File:Trifolium repens f. roseum.jpg|Trifolium repens f. roseum File:Trifolium_repens_(inflorescense) Edit.jpg|[[File:Cscr-featured.svg|12px|featured picture on commons]] {{QI seal}} ''Trifolium repens''<br>(inflorescence) File:TrifoliumRepens.jpg File:Clover (Trifolium repens).jpg File:TrifoliumRepensFlowers2.jpg File:Trifolium-repens-total.JPG File:Trifolia 5432.jpg File:Trifolium-repens-hvitkløver.jpg File:Trefoil.jpg File:Witte klaver bloem (1) Trifolium repens.jpg File:Trifolium repens.jpg File:BaltasisDobilas001.JPG File:Trifolium repens-macro.jpg File:Trifolium repens IP.jpg File:Klöver.jpg File:trifolium_repens_ssp_pratense_var_maritimum.jpeg|''Trifolium pratense'' subsp. ''pratense'' var. ''maritima'' which is only distributed around the [[Baltic Sea]] File:Trifolium repens2.jpg File:Trifolium_repens_macro.jpg File:Bela detelina listici.jpg File:Bela detelina.jpg File:Trifolium repens seeds.JPG|seeds </gallery> ==References== <references/> <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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