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Iris cedreti is a small, rare rhizomatous perennial from Lebanon, growing 30 to 40 cm tall with white flowers marked in dark maroon. It is critically endangered in the wild and rarely cultivated, mainly because it needs sunny, very dry, well-drained conditions in summer.
Iris cedreti is a species of flowering plant in the genus Iris; it is also in the subgenus of Iris. It is a rhizomatous perennial endemic to Lebanon. It has long narrow leaves, short stem, and flowers with a white background which is covered with very small dots or veins of dark maroon, purple, purplish-maroon, or almost black. It has a dark maroon signal patch with a brownish or purplish beard. It is rarely cultivated as an ornamental plant in temperate regions, as it needs very dry conditions during the summer. It is listed as critically endangered by the IUCN.
Iris cedreti prefers to grow in a sunny, well drained, rocky habitat.
A study was carried out on Pancratium maritimum and I. cedreti in 2004 to find out the best forms of growing new embryos of the rare plants. It was found that a sucrose concentration (of 10%) used in an in-vitro culture worked best for the iris. Collar thickness, root system branching, and the number of leaves were also important factors for successful transplanting of seedlings. Seedlings can be grown in a mixture of peat moss, perlite, and sandy loam in clay pots within a greenhouse.
Like many other irises, most parts of the plant are poisonous (rhizome and leaves). If mistakenly ingested it can cause stomach pains and vomiting. Handling the plant may cause skin irritation or an allergic reaction.
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 cedreti 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.
