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Uses

Toxic parts

Many plants in this genus are thought to be poisonous if ingested, so caution is advised[1]. The roots are especially likely to be toxic[2]. Plants can cause skin irritations and allergies in some people[2].

Edible uses

Notes

Root - used as a spice[3][4]. Frequently chewed by local people to alleviate thirst[5][6]. When first chewed the roots have a pleasant sweet taste, within a few minutes this changes to a burning sensation far more pungent than capsicums[6]. Caution is advised, see the notes above on toxicity.

Material uses

There are no material uses listed for Iris cristata.

Medicinal uses(Warning!)

An ointment made from the roots is applied to cancerous ulcers[7][8]. A tea made from the roots is used in the treatment of hepatitis[7][8].

Unknown part

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - best sown as soon as it is ripe in a cold frame. It does not require cold stratification. 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 July/August[9]. 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.

Practical Plants is currently lacking information on propagation instructions of Iris cristata. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Requires a light or gravelly[9] lime-free[10] soil of a woodland nature in partial shade[9][10][11] or full sun[9]. Likes plenty of moisture in summer but the soil must be well-drained[11]. Grows well on a peat bank[12].

Plants are hardy to about -20°c[13]. Another report says that it is best if the plants are lifted intact in October, stored in sand and planted out in March[14]. Members of this genus are rarely if ever troubled by browsing deer and rabbits[15]. Plants require protection from slugs[13].

Frequent division and transplanting every other year is necessary if the plant is to thrive and persist[13].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Iris cristata. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Iris cristata.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Iris cristata
Genus
Iris
Family
Iridaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
?
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil PH
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    ?
    Herbaceous or Woody
    ?
    Life Cycle
    Growth Rate
    ?
    Mature Size
    Fertility
    Pollinators
    Flower Colour
    ?
    Flower Type











    References

    1. ? Frohne. D. and Pf?nder. J. A Colour Atlas of Poisonous Plants. Wolfe ISBN 0723408394 (1984-00-00)
    2. ? 2.02.1 Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)
    3. ? 3.03.1 Hedrick. U. P. Sturtevant's Edible Plants of the World. Dover Publications ISBN 0-486-20459-6 (1972-00-00)
    4. ? 4.04.1 Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing (1976-00-00)
    5. ? 5.05.1 Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books ISBN 3874292169 (1984-00-00)
    6. ? 6.06.16.2 Coffey. T. The History and Folklore of North American Wild Flowers. Facts on File. ISBN 0-8160-2624-6 (1993-00-00)
    7. ? 7.07.17.2 Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. ISBN 0395467225 (1990-00-00)
    8. ? 8.08.18.2 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
    9. ? 9.09.19.29.3 Grey. C. H. Hardy Bulbs. Williams & Norgate. (1938-00-00)
    10. ? 10.010.1 Innes. C. The World of Iridaceae ()
    11. ? 11.011.1 ? The Plantsman. Vol. 7. 1985 - 1986. Royal Horticultural Society (1985-00-00)
    12. ? Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. ISBN 0-86318-386-7 (1990-00-00)
    13. ? 13.013.113.2 Phillips. R. & Rix. M. Perennials Volumes 1 and 2. Pan Books ISBN 0-330-30936-9 (1991-00-00)
    14. ? F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    15. ? Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. ISBN 0 460 86048 8 (1990-00-00)
    16. ? Fernald. M. L. Gray's Manual of Botany. American Book Co. (1950-00-00)
    17. ? Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)