Iris pseudacorus
Iris des marais
Yellow Flag
Additional information
| Plant family | |
|---|---|
| Area | Provence Verte |
| Flower colour | yellow |
| Flower size | 70-100 mm |
| Flowering months | May, June, July |
| Leaf type | Linear |
| Height | to 150 cm |
Description
A rhizomatous perennial. It grows at the water’s edge of rivers, marshes and ponds. Although essentially a water plant it tolerates long periods of drought. Can be invasive.
It has been used in water purification treatments as it absorbs heavy metals through its roots.
Flowers
Flowers (5 to 10) are bright yellow, 7-10 cm long, with brown markings on the oval blades of the falls; the standard is much shorter than the falls, 2-3 cm.
Leaves
Linear narrow blade leaf, like grass. Sword-like, pointed, greyish-green, 1-3 cm wide.
Fruits Seeds
Pod with numerous pale brown seeds, 4-7 cm.
Medical
Roots: once used as an emetic.
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