Biology:Rumex aquaticus
| Rumex aquaticus | |
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| Rumex aquaticus near Loch Lomond, Scotland | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Rumex |
| Species: | R. aquaticus
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| Binomial name | |
| Rumex aquaticus | |
| Synonyms[1] | |
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Rumex aquaticus is a flowering plant in the knotweed family, Polygonaceae. It is native to temperate Eurasia.[1] It is commonly known as the Scottish dock, and is found in aquatic environments.[2]
Identification
Rumex aquaticus can be identified by its upright, reddish stout, large heart-shaped leaves to 45 cm long around the base, and smaller leaves around the stalk. It can grow to about 2 m tall.[3] When flowering, Rumex aquaticus can be identified by its red, pink, and green 3 sepal flowers surrounding the stalk.
It can hybridise with several other species of Rumex, most particularly R. obtusifolius (Rumex × platyphyllus), but also with R. crispus (Rumex × conspersus) and R. sanguineus (Rumex × dumulosus).[2][3][4]
Habitat
Rumex aquaticus is native to temperate Eurasia, from Britain and France east to Japan and eastern Siberia;[1] in Britain it is very rare, restricted to a small area around the south end of Loch Lomond.[2] It is a waterside plant, needing nutrient rich, wet soil to grow, including lakesides, sides of streams and rivers, or any other environment with access to shallow water.[2][3]
Distribution
Rumex aquaticus is a hermaphrodite (both male and female) and is pollinated by wind.[5] The seeds require a moist environment for germination but cannot germinate if submerged in water.
References
- ↑ 1.0 1.1 1.2 "Rumex aquaticus L.". Royal Botanical Gardens Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:301511-2.
- ↑ 2.0 2.1 2.2 2.3 "Scottish Dock Rumex aquaticus L.". https://plantatlas2020.org/atlas/2cd4p9h.vzx.
- ↑ 3.0 3.1 3.2 Streeter, David; Hart-Davies, Christina (2009). Collins Flower Guide: the most complete guide to the flowers of Britain and Europe. London: HarperCollins. p. 150–151. ISBN 978-0-00-718389-0.
- ↑ "Rumex L.". https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:328551-2.
- ↑ "Rumex aquaticus L.". https://pfaf.org/user/Plant.aspx?LatinName=Rumex+aquaticus.
External links
Data related to Rumex aquaticus at Wikispecies- "Rumex aquaticus". http://www.pfaf.org/user/Plant.aspx?LatinName=Rumex+aquaticus.
Wikidata ☰ Q159061 entry
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