Wiki id is carrots (plural). Kew accepted name is Daucus carota subsp. sativus — not a misspelled Daucas.
How it was found
Kew (subspecies, the garden crop): as a cultigen from Central Asia to Afghanistan. Native list printed: Afghanistan, Uzbekistan. Introduced list includes parts of Europe, East Asia, and elsewhere. USDA GRIN (subsp. sativus): cultivated (only cult.) — no native-country table.
Kew (species Daucus carota L., which includes wild carrot / Queen Anne’s lace): native range Macaronesia to North Africa and Ethiopia, Europe to southern China — that species-level list is the wild taxon, not the garden crop, and is labeled as such. UCCE Solano: Queen Anne’s lace native to temperate Europe and southwest Asia; now wild in California and most of the United States.
Kew does not print a first-cultivation year on the subspecies page. UC Desert REC: purple and yellow carrots were the original carrot colors; orange is a more recent varietal. Sonoma MG: ancient carrots were likely nearly black. UCCE Solano distinguishes wild Queen Anne’s lace as the parent of cultivated carrots.
How people used it
Kew species page: Daucus carota is used for food (also animal food). Kew general information: subsp. sativus is cultivated for edible, usually orange storage roots; a major root vegetable and fodder crop. Sonoma MG: staple food for centuries in Europe, Africa, and Asia. UC IPM garden page treats Daucus carota as the home-garden carrot.
Kew species page: used as a medicine (unnamed). UCCE Solano: colonists brought Queen Anne’s lace to North America and used it as a medicinal plant — that line is about the wild parent, not a named garden-carrot remedy, and is not copied as a crop recipe.
Timeline
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1753
The wild species named
Kew: Daucus carota L. first published in Sp. Pl.: 242 (1753); the species is accepted. Cultivated forms are an accepted subspecies, not a separate species.
Kew POWO — Daucus carota L.
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14th century (one variety, as printed)
Black Spanish, a purple type
Napa UCCE Master Gardeners: the Black Spanish carrot is a reddish-purple type thought to have been brought to Spain in the 14th century from North Africa. That is a variety-level statement, not a first-domestication date for all garden carrots.
Napa MG — Purple In My Garden
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1834
The garden subspecies named
Kew accepts Daucus carota subsp. sativus (Hoffm.) Schübl. & G.Martens, first published in Fl. Würtemberg: 179 (1834). Homotypic synonyms include Daucus carota var. sativus Hoffm. (1791). USDA GRIN: Fl. Würtemberg 179. 1834.
Kew POWO; USDA GRIN
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Since the 1960s (as printed)
Holtville trials
UC Desert REC: since the 1960s, USDA carrot variety trials at Desert REC (Holtville, “Carrot Capital of the World”) have been the winter site of the USDA carrot breeding program based at the University of Wisconsin. A California winter lab for an Asian cultigen.
UC Desert REC — Purple is the New Orange
Cool to know
UC Desert REC: orange carrot is a more recent varietal; purple and yellow were the original carrot colors. Sonoma MG: ancient carrots were likely nearly black; today purple, orange, red, yellow, or white.
UC Desert REC; Sonoma MG
UCCE Solano distinguishes wild Queen Anne’s lace (parent of cultivated carrots) from the garden crop. UC IPM: wild carrot closely resembles cultivated carrot in the rosette stage and easily crosses with it. Do not treat the ditch plant as the garden crop unless labeled.
UCCE Solano; UC IPM
Kew accepts both the species Daucus carota L. and the cultivated subspecies D. carota subsp. sativus; var. sativus Hoffm. is a synonym of the subspecies, not a competing accepted name. Solano’s misspelling Daucas / subsp. sativa is not used as taxonomy.
Kew POWO
Growing notes for this plant live on the Plant Wiki. This page is origin and use, not a How-To.
Want carrots in a San Diego bed? See the fine-seedbed How-To for germination in this climate. Get a quote or write yourgardenofgold@gmail.com.