''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 An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

. 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 An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is an interrupted series of clusters of flowers, with 10 to 20 flowers per cluster and each flower hanging on a

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

. Each flower has usually six

tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...

s, the 3 inner of which are edged with spinelike teeth and have tubercles at their centers. This plant has

allelopathic Allelopathy is a biological phenomenon by which an organism produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other organisms. These biochemicals are known as allelochemicals and can have ben ...

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.

References

External links

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Jepson Manual Treatment

dentatus Dentatus may refer to: * Manius Curius Dentatus (died 270 BC), son of Manius, a three-time consul and a plebeian hero of the Roman Republic * Dimocarpus dentatus, a species of tree related to the Longan ''Dimocarpus longan'', commonly known ...

Flora of Europe Taxa named by Carl Linnaeus {{Polygonaceae-stub