Colchicum speciosum
is native to mountainous areas of northern Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 and other parts of the Caucasus

Caucasus

The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

region. Colchicum bornmuelleri was once considered an independent species, but has now been included with Colchicum speciosum as Colchicum speciosum var. bornmuelleri, with a white centre.
Colchicum speciosum blooms in the fall, producing reddish/violet flowers on stems up to 30 centimetres (11.8 in) tall without any leaves present. The leaves grow in the spring, then yellow, wither and die back as summer progresses.

Cultivation

This plant is a vigorous grower and does well in full sun to part shade locations and well-drained soils in most climates. Cultivars include the white 'Album'.