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Rumex dentatus
''Rumex dentatus'' is a species of flowering plant in the knotweed family known by the common names toothed dock and Aegean dock. It is native to parts of Eurasia and North Africa, and it is widely known elsewhere as an introduced species and a common roadside weed. It grows in disturbed habitat, often in moist areas, such as lakeshores and the edges of cultivated fields. It is an annual or biennial herb producing a slender, erect stem up to 70 or 80 centimeters in maximum height. The leaves are lance-shaped to oval with slightly wavy edges, growing to a maximum length around 12 centimeters. The inflorescence is an interrupted series of clusters of flowers, with 10 to 20 flowers per cluster and each flower hanging on a pedicel. Each flower has usually six tepals, the 3 inner of which are edged with spinelike teeth and have tubercles at their centers.
This plant has allelopathic activity,〔Hussain, F., et al. (1997). Allelopathic suppression of wheat and mustard by ''Rumex dentatus'' ssp. ''klotzschianus''. ''Journal of Plant Biology'' 40:2 20-4.〕 producing substances that inhibit the growth of other plants near it, as well as antibacterial and antifungal activity.〔Fatima, N., et al. (2009). (Biological activities of ''Rumex dentatus'' L.: Evaluation of methanol and hexane extracts. ) ''African Journal of Biotechnology'' 8:24 6945-51.〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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