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Iris macrosiphon - Torr.

Common Name Bowltube Iris
Family Iridaceae
USDA hardiness Coming soon
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 Sunny grassy to woodland slopes below 1000 metres in California[71]. Sunny hillsides, meadows and roadsides[270].
Range South-western N. America - California to Oregon.
Edibility Rating    (0 of 5)
Other Uses    (1 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Iris macrosiphon Bowltube Iris


http://www.flickr.com/people/51035743246@N01
Iris macrosiphon Bowltube Iris
http://www.flickr.com/photos/33818785@N00/3400973990/

 

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Summary


Physical Characteristics

 icon of manicon of flower
Iris macrosiphon is a PERENNIAL growing to 0.2 m (0ft 8in). It is in flower from May to June. 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 and prefers well-drained soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

I. amabilis. I. californica. I. elata.

Plant Habitats

Woodland Garden Sunny Edge; Cultivated Beds;

Edible Uses

None known

References   More on Edible Uses

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.
Oxytoxic

The roots are used to hasten the birth of a child[257].

References   More on Medicinal Uses

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Other Uses

Fibre  Paper

A fibre is obtained from the leaves. Traditionally the N. American Indians would take just the one outside fibre from each side of a leaf. This must have necessitated using a huge number of leaves. It makes a beautifully strong and pliable cord or rope[92]. The fibre can also be used for making paper[189] The leaves are harvested in summer after the plant has flowered, they are scraped to remove the outer skin and are then soaked in water for 2 hours prior to cooking. The fibres are cooked for 24 hours with lye and then beaten in a ball mill for 3 hours. They make a light tan paper[189].

Special Uses

References   More on Other Uses

Cultivation details

Requires a well-drained lime-free soil[79]. Requires a moist soil, growing well by water[1]. Grows well in light shade. Plants resent root disturbance, any moving is best done in early September. Hybridizes freely with other members of this genus, particularly other Pacific coast irises[129]. Iris macrosiphon hybridizes with I. chrysophylla, I. douglasiana, I. fernaldii, I. hartwegii, I. innominata, I. munzii, I. purdyi, I. tenax, and I. tenuissima[270]. Not all provenances of this species are hardy in Britain[129]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).

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Plant 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, best done after flowering. 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

Native Range

NORTHERN AMERICA: United States (California)

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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Iris purdyiPurdy's IrisPerennial0.4 -  LMSNDM001
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Tagetes filifoliaIrish LaceAnnual0.4 8-11  LMHNDM102

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

Expert comment

Author

Torr.

Botanical References

71200270

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