Iris nertchinskia Lodd.
Iris sibirica, the Siberian Iris or Siberian flag, is a species of flowering plant in the family Iridaceae, native to north east Turkey, Russia, eastern and central Europe. Growing 50–120 cm (20–47 in) tall, it is a rhizomatous herbaceous perennial. The leaves are glaucous green, narrow and fairly rigid, blade-shaped, 40–80 cm (16–31 in) long and 2–4 cm broad. The flowers are typical of an iris, borne in late spring or early summer on unbranched or sparsely-branched stems held above the leaves, each flower 4–7 cm in diameter, mid- to purple-blue, often with a paler whitish or yellowish centre.
Cultivation and uses
I. sibirica is widely cultivated in temperate regions. It is classed in the beardless Siberian section of rhizomatous irises, and is the parent of many hybrids, used because of its attractive foliage and ability to flourish in a wide range of climates; the hybrids vary widely in flower colour.
Iris sibirica Cultivars
Flower in visible light, UV (showing nectar guides), and IR
- RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
- "RHS Plant Selector - Iris 'Butter and Sugar'". Retrieved 25 June 2013.
- "RHS Plant Selector - Iris 'Cambridge'". Retrieved 25 June 2013.
- "RHS Plant Selector - Iris 'Ruffled Velvet'". Retrieved 25 June 2013.
- "RHS Plant Selector - Iris 'Silver Edge'". Retrieved 25 June 2013.
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