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Iris paradoxa

Iris paradoxa
Photo: C T Johansson, CC BY-SA 3.0

Iris paradoxa is a small rhizomatous perennial iris from the Caucasus and northwest Iran, known for its unusual flowers where the upright petals are larger than the drooping ones. Grow it in full sun with well-drained soil and a summer drought, as in an alpine house or rock garden.

Family
Iridaceae (Iris family)
Grows as
Bulb
Light
Full sun
Water
Water sparingly, especially in summer, and keep the rhizomes from sitting in wet soil.
Soil
Gritty, well-drained soil, mildly acidic to mildly alkaline (pH about 6.1 to 7.8).
Temperature
Hardy in cold winters; protect from prolonged wet cold. Exact limits not stated in sources.
How easy
Moderate
Safety
Toxic: Most parts, including rhizome and leaves, are poisonous if ingested, causing stomach pain and vomiting; handling may irritate the skin or cause an allergic reaction.
Native range
E. Türkiye to NW. Iran
Climate
temperate

About

Iris paradoxa is a species of flowering plant native to western Asia. It has large upright petals and smaller lower petals, which is unique amongst most iris forms. They come in various shades from white, lavender, mauve, medium purple, violet, dark purple to black. It has a black or purplish black beard on the lower petals. It comes from the region of Transcaucasia, and is found in the countries of Iran, Turkey, Armenia and in Azerbaijan.

How to grow it

I. paradoxa can be easily grown in an alpine house, or they can be placed in rock gardens, which should have a summer drought. They grow well in full sun with mildly acidic to mildly alkaline soils (of ph levels between 6.1–7.8). The flower and stem (if removed from the plant) may have a shelf life of two to three days. Irises can generally be propagated by division, or by seed growing.

I. paradoxa has been listed with Iris orientalis and Iris spuria subsp. musulmanica as halophyte (salt-tolerant) plants.

Safety

Like many other irises, most parts of the plant are poisonous (including rhizome and leaves), if mistakenly ingested, it can cause stomach pains and vomiting. Also handling the plant may cause a skin irritation or an allergic reaction.

Where it grows

Males of Xylocopa valga (a type of carpenter bee) have been observed pseudo-copulating on the reduced, velvety petals of the plant in Leriksky area, near Gosmaljan, Azerbaijan.

Other Iris plants

Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana

Text excerpted from the Wikipedia article Iris paradoxa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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