Iris nigricans
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Iridaceae
Genus:	Iris
Subgenus:	Iris subg. Iris
Section:	Iris sect. Oncocyclus
Species:	I. nigricans
Binomial name
Iris nigricans Dinsm.

Iris nigricans is a flowering plant in the family Iridaceae. It is the national flower of Jordan.^[1] The flowers are blackish-purple and 12–15 centimetres (4.7–5.9 in) in diameter, and the plants are 35 cm (14 in) tall with recurved leaves. It needs direct sun and sharp drainage.^[2] 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.^[3]

• Iris vartanii - Vartanii Iris - light blue flowers - extinct in Jordan
• Iris atrofusca - Jil'ad Iris - black flowers - endangered
• Iris atropurpurea - Purple Iris - black flowers - cultivated but vulnerable in the wild
• Iris petrana - Petra Iris - black flowers
• Iris germanica - German Iris - purple flowers
• Iris postii - Post Iris - purple flowers
• Iris edomensis - Edom iris - white flowers with black spots - endangered
• Iris aucheri - Desert Iris - various colors