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In the UK, Japanese knotweed is a single female clone. However, it is able to readily hybridise with related species. [38] In the UK, Japanese knotweed is established in the wild in many parts of the country and creates problems due to the impact on biodiversity, flooding management and damage to property.
Reynoutria is a genus of flowering plants in the Polygonaceae, also known as the knotweed or buckwheat family.The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. [1]
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The species is closely related to the Japanese knotweed, Reynoutria japonica, and can be distinguished from it by its larger size, and in its leaves having a heart-shaped (not straight) base and a crenate margin. Reynoutria sachalinensis has a chromosome count of 2n=44. [3] [4]
Her distribution maps showed how the Knotweed hybrids spread across the UK. [6] An unusual hybrid knotweed, Conolly's knotweed, ×Reyllopia conollyana (syn. Fallopia × conollyana) was named in her honour in 2001 for her 84th birthday. [7] This is a hybrid between Japanese knotweed and Russian vine (Fallopia baldschuanica). [8]
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Fagus japonica, the Japanese blue beech, a deciduous tree species native to Japan; Fallopia japonica, the Japanese knotweed, a large herbaceous perennial plant species native to Japan, China and Korea; Fatsia japonica, the fatsi or Japanese aralia, a plant species native to southern Japan
Emodin is an active component of several plants used in traditional Chinese medicine (TCM) such as Rheum palmatum, Polygonum cuspidatum, and Polygonum multiflorum.It has various actions including laxative, anticancer, antibacterial and antiinflammatory effects, [6] [7] [8] and has also been identified as having potential antiviral activity against coronaviruses such as SARS-CoV-2, [9] [10 ...