Colchicum species I through R are found on this wiki page
Colchicum Hybrids – Colchicum A-H – Colchicum S-Z – Colchicum index
Colchicum kesselringii - is a Central Asian species (native to Tajikistan and Afghanistan) that blooms with leaves present in late winter. It has small white flowers with a purple stripe on the back of the petals. Photos by Arnold Trachtenberg and John Lonsdale
Colchicum kotschyi is a fall blooming Middle-Eastern species (Turkey, Iran, Iraq) that grows in bushy places on hillsides. Photo by Arnold Trachtenberg
Colchicum laetum is a fall blooming species from the Caucasus. Photo by John Lonsdale
Colchicum macrophyllum from Turkey and Greek islands of Crete and Rhodes has pale lilac autumn flowers followed by very large pleated leaves in spring. It is one of the first to flower. Photo by John Lonsdale.
Colchicum munzurense is a spring bloomer from Turkey where it grows in screes and on cliffs. Photo by John Lonsdale.
Colchicum pannonicum Although widely grown under this name, this plant is now regarded as an excellent clonal selection of C. autumnale sometimes known under the cultivar name 'Nancy Lindsay'. It has a distinctive purple color on the tube. Photos by Arnold Trachtenberg and John Lonsdale.
Colchicum procurrens Photo by Arnold Trachtenberg. This name is considered a synonym for Colchicum boissieri but looks different from other plants known by that name.
Colchicum pusillum from Greece and Crete where it grows on open hillsides, blooms in early fall with leaves sometimes present or following soon. Photo by John Lonsdale.
Colchicum rhodopaeum is a small flowering plant from Bulgaria. Photo by Arnold Trachtenberg
Colchicum Hybrids – Colchicum A-H – Colchicum S-Z – Colchicum index