Sunday 19 May
Common water-plantain (Alisma plantago-aquatica)

What’s the World’s Favourite Species?
Find out here.Common water-plantain fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Common water-plantain description
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Alismatales |
| Family | Alismataceae |
| Genus | Alisma (1) |
Common water-plantain is a stout aquatic herb with oval-shaped leaves, which may be rounded or heart-shaped at the base (4). The pale lilac flowers are borne on a greatly branching inflorescence, and open between 1pm and 7pm each day (2). The curvature of the ribs on the leaves of water plantain was one of the inspirational natural features used by John Ruskin in the development of his theories on gothic architecture; he claimed that they were models of 'divine proportion' (5).
- French
- Alisma Plantain d'Eau.
- Spanish
- Llantén de Agua.
Common water-plantain biology
Common water-plantain flowers from June to August (4). It fruits prolifically, and readily colonises recently cleared ditches and flooded mineral workings (3).
TopCommon water-plantain range
Widespread throughout much of Britain, but rarer in the north of Scotland, Shetland, the Outer Hebrides and Orkney. Elsewhere, it is found in temperate Europe (2), and has become widely naturalised outside of its natural range (3).
TopCommon water-plantain habitat
This species is usually found growing at the edge of still or slow-flowing water, as well as in swamps and marshes (3).
TopCommon water-plantain status
Common water-plantain is classified as Least Concern (LC) on the IUCN Red List (1).
TopCommon water-plantain threats
This species is not threatened.
TopCommon water-plantain conservation
Conservation action is not needed.
TopFind out more
For more information on British plants and their conservation see Plantlife- the wild plant conservation charity:
http://www.plantlife.org.uk/
Visit the website of the Botanical Society of the British Isles at:
http://www.bsbi.org.uk
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Glossary
- Inflorescence
- The reproductive shoot of the plant, which bears flowers (see http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure)
References
-
IUCN Red List (June, 2011)
http://www.iucnredlist.org/ - Clapham, A.R., Tutin, T.G. & Moore, D.M. (1987) Flora of the British Isles. 3rd Edition. Cambridge University Press, Cambridge.
- Preston, C.D., Pearman, D.A. & Dines, T.D. (2002) The New Atlas of the British and Irish Flora. Oxford University Press, Oxford.
- Press, B. & Gibbons, B (1993) Photographic field guide to wild flowers of Britain and Europe. New Holland Publishers (UK) Ltd, London.
- Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
More »Related species
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Image credit
© Tom Cope / Royal Botanic Gardens, Kew
Royal Botanic Gardens, Kew
Richmond
Surrey
TW9 3AB
United Kingdom
Tel: +44 (0) 208 332 5000
Fax: +44 (0) 208 332 5197
info@kew.org
http://www.rbgkew.org.uk
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