Iris atrofusca

Iris atrofusca (Judean iris or Gilead iris) is a species in the genus Iris, where it is placed in the subgenus Iris and the section Oncocyclus. It is a rhizomatous perennial from the deserts of Israel, the Palestinian territories, and Jordan. The species has long falcate (sickle-shaped) or ensiform (sword-shaped) leaves, a long thick stem and large fragrant flowers that come in shades of purple brown, reddish-black, black-brown, dark brown, dark lilac or dark purple. The flowers also have a black or brownish-black signal patch and a thick beard that is brown-black, light brown or yellow tipped with brown. It is rarely cultivated as an ornamental plant in temperate regions....read more on Wikipedia.