William Rickatson Dykes

Iris chrysographes, the black iris, is a plant species that belongs to the genus Iris. It is native to Southern China and Myanmar (Burma), growing in meadows, streamsides, hillsides and forest margins. Other irises with black flowers include Iris nigricans (the national flower of Jordan), Iris petrana, Iris atrofusca, Iris atropurpurea, Iris susiana, and some varieties of Iris germanica.

Iris forrestii is a species of flowering plant in the genus Iris, also the subgenus Limniris and in the series Sibiricae. It is a rhizomatous herbaceous perennial, from China (including Tibet) and Burma. It has linear grassy-like leaves, long thin stem and fragrant yellow or lemon-yellow flowers. It is cultivated as an ornamental plant in temperate regions.

Iris bulleyana is a species in the genus Iris, also the subgenus Limniris and in the series Sibiricae. It is a rhizomatous herbaceous perennial, from South west China, including Myanmar (or Burma) and Tibet. It has long thin green leaves,

Iris kerneriana is a species in the genus Iris, it is also in the subgenus Limniris and in the series Spuriae. It is a small rhizomatous perennial plant, with fragrant, yellow flowers from Turkey. It is cultivated as an ornamental plant in temperate regions and known as Kerner Iris or Kerner's Iris.

Iris hoogiana is a plant species in the genus Iris, it is also in the subgenus Iris and in the section Regelia. It is a rhizomatous perennial, from the grassy mountainsides of Turkestan. It has long green leaves, which are slightly purple at the base, and a long slender flowering stem. The flowers are blue, ranging from sky-blue to lavender blue and blue purple. It has orange or yellow beards. It is cultivated as an ornamental plant in temperate regions.

Iris tenuissima is a species of iris known by the common name longtube iris. It is endemic to California, where it is a common wildflower in the woodlands and forests of the northern part of the state.

Iris farreri is a beardless iris in the genus Iris, in the subgenus Limniris and in the series Tenuifoliae of the genus. It is a rhizomatous herbaceous perennial, from China. It has grey-green leaves, long stem and 1 or 2 violet, lilac or light blue flowers. It has undergone several changes of name and series, before being left as Iris farreri.

Iris × fulvala is a hybrid species between Iris brevicaulis and Iris fulva (American copper iris).

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Iris mesopotamica, the Mesopotamian iris, is a species in the genus Iris, it is also in the subgenus Iris. It is a rhizomatous perennial, from the middle East, within the countries of Iraq, Turkey, Syria and Israel. It has linear, grey-green or green broad leaves, tall stem with 2–3 branches, holding up to 9 scented flowers, in shades of violet, purple, lavender blue and light blue, with a yellow and white or orange and white beard. It is listed as a synonym of Iris × germanica in some sources. It is cultivated as an ornamental plant in temperate regions, including being planted in graveyards

Iris × sikkimensis is a plant species in the genus Iris, it is also in the subgenus Iris and in the section Pseudoregelia. It is a rhizomatous perennial, and considered to be an artificial hybrid of Iris hookeriana and Iris kumaonensis. It has pale green or light green thin leaves, slender stem (similar height to the leaves), 2 or 3 lilac or purple flowers, with a white beard with orange tips. It is named for Sikkim, a landlocked Indian state located in the Himalayan mountains.

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