Iris bismarckiana
| Iris bismarckiana | |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Subfamily: | Iridoideae |
| Tribe: | Irideae |
| Genus: | Iris |
| Subgenus: | Iris |
| Species: | Iris bismarckiana |
| Binomial name | |
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Iris bismarckiana Damm. & Spreng. ex Regell |
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| Synonyms | |
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Iris bismarckiana (Nazareth Iris) is a species in the genus Iris, it is also in the subgenus of Iris and in the Oncocyclus section. It is a rhizomatous perennial, from the mountainsides of Israel, Lebanon, Jordan and Syria. It has stoloniferous, spreading rhizomes, long, sword shaped, bright green leaves, long slender stem (taller than the leaves) and 1 flower in Spring (between March and April). T|he large flower is pale yellow, creamy-white, or white background. Which is covered with reddish-brown, maroon brown, purple-brown, purple, blue-purple, or blue veins, markings or spots. It has a dark signal patch and dark purple to black beard. It is rarely cultivated as an ornamental plant in temperate regions (i.e. Europe or America), as it needs very dry conditions during the summer.
Iris bismarkiana is similar in growth to Iris susiana and Iris lortetii, (both also Oncocyclus Irises), they only differ in the colour of the flowers.
It is a geophyte, It has short,stoloniferous rhizomes, which are narrow, around 1.5 cm in diameter. It forms long thin stolons, that can reach up to a few meters, into the ground, seeking minerals. The rhizomes and stolons are very prone to viral diseases. The creeping, habit forms small clumps of plants.
It has 6-8 leaves, which are ensiform (sword-shaped),glaucous, and bright green. They can grow up to between 30–50 cm (12–20 in) long, and between 2-2.5 cm wide. They form erect fans of leaves, which are similar in form to I. susiana leaves.
It has a long, slender stem, or peduncle, that can grow up to between 30–50 cm (12–20 in) tall. Although, some stems can reach 80 cm (31 in) tall. The stem is usually taller than the leaves.
The stem has a green, lanceolate, spathes (leaves of the flower bud), which is 7.6 cm (3 in) long.
The stems holds 1 terminal (top of stem) flower, blooming in spring, between March and April. In the UK, it flowered in May.
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Wikipedia