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Iris ensata - Thunb.

Common Name Japanese Water Iris
Family Iridaceae
USDA hardiness 5-8
Known Hazards Many plants in this genus are thought to be poisonous if ingested, so caution is advised[65]. The roots are especially likely to be toxic[238]. Plants can cause skin irritations and allergies in some people[238].
Habitats Dry sandy plains near lakes, meadows, clay-solonetz places in steppes and solonetz meadows[74]. Marshes, ditches and wet grassy places[187].
Range E. Asia - China, Japan, Korea, Siberia.
Edibility Rating    (1 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care
Fully Hardy Moist Soil Wet Soil Full sun
Iris ensata Japanese Water Iris


http://commons.wikimedia.org/wiki/User:KENPEI
Iris ensata Japanese Water Iris
http://commons.wikimedia.org/wiki/User:KENPEI

 

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Summary

Bloom Color: Pink, Purple, Red. Main Bloom Time: Early summer, Mid summer. Form: Spreading or horizontal, Upright or erect, Variable spread.


Physical Characteristics

 icon of manicon of flower
Iris ensata is a PERENNIAL growing to 0.6 m (2ft) by 1 m (3ft 3in) at a medium rate.
It is hardy to zone (UK) 5 and is not frost tender. It is in flower from May to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: acid and neutral soils. It cannot grow in the shade. It prefers moist or wet soil.

Synonyms

I. kaempferi. I. lactea.

Habitats

 Bog Garden;

Edible Uses

Edible Parts: Root.
Edible Uses:

Root - the source of an edible starch[2, 105, 177]. Some caution is advised, see the notes above on toxicity.

Medicinal Uses



Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Alterative;  Anthelmintic;  Antidote;  Appetizer;  Depurative;  Diuretic;  Hepatic;  Vermifuge.


The root is alterative, anthelmintic, antidote, appetizer, depurative, diuretic, hepatic and vermifuge[61, 178, 218]. It is used with other herbs in the treatment of venereal affections, liver complaints and dropsy[240].

Other Uses

Basketry;  Broom;  Fibre;  Thatching.

A fibre is obtained from the leaves, a substitute for hemp[42]. It is used for rope and coarse cloth[74]. Also used in thatching and basket making[123]. The root is long and fibrous, it is used for making brooms, brushes etc[178].

Cultivation details

Landscape Uses:Border, Container, Massing, Specimen, Woodland garden. Prefers a light well-drained soil and a sunny position[42]. Prefers partial shade[188]. Likes plenty of moisture and a rich loamy slightly acid soil[79, 200]. Requires a lime-free soil[233]. Some cultivars, in particular the 'Higo' strain, tolerate a pH up to 7.4[200]. Plants can be grown in containers in pond margins but are then best kept in drier conditions over winter[200]. This species is hardy to about -20°c[187]. Cultivated for its root in Japan[2]. (for the starch). There are many named varieties, selected for their ornamental value[187, 200]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233]. Special Features: Attractive foliage, North American native, All or parts of this plant are poisonous, Wetlands plant, Suitable for cut flowers.

Propagation

Seed - best sown as soon as it is ripe in a cold frame. Stored seed should be sown as early in the year as possible in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse or cold frame for their first year. Plant out into their permanent positions in late spring or early summer. Division in March or October. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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Thunb.

Botanical References

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