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Iris variegata

Iris variegata is a species in the genus Iris, also in the subgenus Iris. It is a rhizomatous perennial from eastern Europe. It has dark green, ribbed leaves. The branched flowering stems can be as tall as the leaves, they can hold 2–3 flowers in summer. They are yellowish-white, with brown-purple veins on the drooping falls. It is very hardy and it is commonly cultivated as an ornamental plant in temperate regions. There are several cultivars. Iris variegata has often been confused for Iris pallida 'Argentea Variegata, which has variegated leaves. But Iris variegata has variegated flowers. It has stout rhizome, with roots that can go up to 10 cm deep in the ground. It has leaves that are around 1–3 cm wide, dark green, ribbed leaves. They are slightly falcate (sword shaped). It can be variable in height in the wild (30–45 cm). Generally, it grows up to 45 cm (18 in) high, The branched flowering stems can be as tall as the leaves. There are normally 2–3 flowers per stem. The scentless flowers appear in early summer, May – June. The perianth tube is 2–2.5 cm long. The flowers are yellowish-white, with brown-purple veins on the falls. The flowers are generally about 5–7 cm wide. The falls are obovate-oblong shaped and nearly 2 cm wide, yellow with purple or chestnut brown veins, which are darker closer to the apex. It has a yellow beard in the centre on the lower part of the fall, the standards are erect, (vary in colour) from pale yellow to bright yellow and gold. It has a seed capsule measuring 2.2–2.8 cm long by 1–1.3 cm wide, with 6 ribs along the edge. As most irises are diploid, having two sets of chromosomes. This can be used to identify hybrids and classification of groupings. It has a chromosome count: 2n=24.

[ "Ecology", "Genetics", "Botany", "Horticulture", "Rhizome" ]
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