Water flag, Pale-yellow iris, Yellow flag, Yellow iris, Yellow water iris, Yellow flag iris;
 


Iris pseudacorus (yellow flag, yellow iris, water flag) is a species in the genus Iris, of the family Iridaceae.

It is native to Europe, western Asia and northwest Africa.
Its specific epithet, meaning “false acorus,” refers to the similarity of its leaves to those of Acorus calamus, as they have a prominently veined mid-rib and sword-like shape.
It is an herbaceous flowering perennial plant, growing to 1–1.5 centimetres (0.39–0.59 in) (or a rare 2 m) tall, with erect leaves up to 90 centimetres (35 in) long and 3 centimetres (1.2 in) broad. The flowers are bright yellow, 7–10 metres (23–33 ft) across, with the typical iris form. The fruit is a dry capsule 4–7 centimetres (1.6–2.8 in) long, containing numerous pale brown seeds. I. pseudacorus grows best in very wet conditions, and is often common in wetlands, where it tolerates submersion, low pH, and anoxic soils. The plant spreads quickly, by both rhizome and water-dispersed seed. It fills a similar niche to that of Typha and often grows with it, though usually in shallower water. While it is primarily an aquatic plant, the rhizomes can survive prolonged dry conditions.
It is widely planted in temperate regions as an ornamental plant,[1] with several cultivars selected for bog garden planting.
In some regions it has escaped from cultivation to establish itself as an invasive aquatic plant which can create dense, monotypic stands, outcompeting other plants in the ecosystem. Where it is invasive, it is tough to remove on a large scale. Even ploughing the rhizomes is often ineffective. It has been banned in some areas but is still widely sold in others for use in gardens.
(From Wikipedia on 27.2.14)


 

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Lilie from the pond in my garden in Ritterhude for ID —2 : Attachments (1). 7 posts by 3 authors.
Water-IRIS, Foto taken in June 2010
It is in the pond


Yes … It is Iris pseudacorus, also known as Water flag, Pale-yellow iris, Yellow flag, Yellow iris, Yellow water iris, Yellow flag iris

By the way species of Iris are commonly known as Flag or Iris and not as Lily.


Thank you …,
many Iris-flowers are called …Schwertlilie. See http://de.wikipedia.org/wiki/Schwertlilien
So I thought flowers of this type are Lilie and the sci.name is Iris ….
Thanks for the explaination


the root of these plant have medicinal values. If i am not wrong juice of the root is used to induce vomitting. the root contain very high amount of tannins.


Thank you … for this additional Information.
Parhaps that is why the grass snake visited my pond a few weeks ago.


I am really not sure why the grass snake visited your garden , but what you say can be a possibility.


 

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grass snake visited my garden to swallow the grass frogs from the pond, and perhaps also knew that Iris pseudacorus has medicinal values. ;-))


 

 
 
 
 

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