Iris nigricans is a flowering plant in the family Iridaceae. It is the Floral emblem of Jordan. The flowers are blackish-purple and in diameter, and the plants are tall with recurved leaves. It needs direct sun and sharp drainage.[[1]] It is endemic to Jordan and is an endangered species.
There are 8 other irises native to Jordan, and most of these are also endangered. The species bearing black flowers are sometimes confused with Iris nigricans.
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Iris vartanii - Vartanii Iris - light blue flowers - extinct in Jordan
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Iris atrofusca - Jil'ad Iris - black flowers - endangered
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Iris atropurpurea - Purple Iris - black flowers - cultivated but vulnerable in the wild
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Iris petrana - Petra Iris - black flowers
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Iris germanica - German Iris - purple flowers
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Iris postii - Post Iris - purple flowers
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Iris edomensis - Edom iris - white flowers with black spots - endangered
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Iris aucheri - Desert Iris - various colors