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Iris acutiloba is a dwarf rhizomatous perennial iris from the mountains of the Caucasus, Turkey, Iran and nearby regions, grown as an alpine or pot plant. It needs sharp drainage, sandy soil, full sun and a dry rest period in summer.
Iris acutiloba is a species in the genus Iris, it is also in the subgenus of Iris and section Oncocyclus. It is a rhizomatous perennial, from the mountains of the Caucasus and found in Turkey, Armenia, Azerbaijan, Turkmenistan, Dagestan in the North Caucasus, and Iran. It is a dwarf species, with narrow, falcate or curved leaves, it has one flower in spring or early summer, that comes in shades from cream, creamy white, whitish, pale brown, light grey, to pale violet. It is heavily veined or streaked and pointed, with 2 dark spots and brown, purple, dark purple, or black short beard. It is cultivated as an ornamental plant in temperate regions. There are two subspecies, Iris acutiloba subsp. lineolata and Iris acutiloba subsp. longitepala.
The species is hardy to European Zone H3, meaning hardy to −10 °C (14 °F) to −15 °C (5 °F).
As they grow in the mountains, they are much more cold hardy than some of the Oncocyclus section irises native to Israel-Palestine.
Like many other irises, most parts of the plant are poisonous (rhizome and leaves), and can cause stomach pains and vomiting if mistakenly ingested. Handling the plant may cause skin irritation or an allergic reaction.
It is endemic and native to temperate regions of Asia, and the Caucasus, including Transcaucasia.
Iris acutiloba subsp. lineolata · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana · Jal'ad Iris
Text excerpted from the Wikipedia article Iris acutiloba 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.
