The domesticated saffron crocus, "Crocus sativus", is an autumn-flowering perennial plant unknown in the wild. The spice saffron comes from the stigma of the saffron crocus, "Crocus sativus". Its cultivars and those of "Crocus flavus" (Dutch crocus) are used as ornamental plants. The saffron crocus, unknown in the wild, probably descends from "Crocus cartwrightianus". Gladioli and crocuses ("Crocus") reproduce in a similar way with corms. The spice saffron is obtained from the stigmas of "Crocus sativus", an autumn-blooming species. The most expensive spice, saffron, consists of dried stigmas of a crocus. Crocin is a carotenoid chemical compound that is found in the flowers crocus and gardenia. Four yellow puppies were produced from this pairing, named Ada, Crocus, Primrose and Cowslip. He collected samples and compiled information on many aspects of the saffron crocus. Colchicine is an alkaloid derived from the autumn crocus ("Colchicum autumnale"). "The Jewel" (1933), "A Shot in the Dark" (1933) and "Autumn Crocus" (1934). Greenbriers get their scientific name from the Greek myth of Crocus and the nymph Smilax. Initially, Clarice had just one young decorator produce "Crocus", Ethel Barrow. The Latin term "crocus" is certainly a Semitic loanword.