Chrozophora tinctoria

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dyer's croton
Chrozophora tinctoria
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Euphorbiaceae
Subfamily: Acalyphoideae
Tribe: Chrozophoreae
Subtribe: Chrozophorinae
Genus: Chrozophora
Species: C. tinctoria
Binomial name
Chrozophora tinctoria
(L.) A.Juss.
  • Croton tinctorius L.
  • Ricinoides tinctoria (L.) Moench
  • Tournesol tinctoria (L.) Baill.
  • Croton argenteus Forssk. 1775 not L. 1753
  • Croton obliquus Vahl
  • Croton verbascifolius Willd.
  • Croton patulus Lag.
  • Chrozophora hierosolymitana Spreng.
  • Chrozophora obliqua (Vahl) A.Juss. ex Spreng.
  • Chrozophora verbascifolia (Willd.) A.Juss. ex Spreng.
  • Croton oblongifolius Sieber ex Spreng.
  • Chrozophora villosa Lindl.
  • Chrozophora sieberi C.Presl
  • Chrozophora integrifolia Bunge
  • Tournesol warionii (Coss. ex Batt. & Trab.) Baill.
  • Tournesol obliqua (Vahl) Franch.
  • Chrozophora warionii Coss. ex Batt.
  • Tournesol verbascifolia (Willd.) Kuntze
  • Chrozophora glabrata (Heldr.) Pax & K.Hoffm.
  • Chrozophora subplicata (Müll.Arg.) Pax & K.Hoffm.
  • Chrozophora cordifolia Pazij
  • Chrozophora lepidocarpa Pazij

Chrozophora tinctoria (commonly known as dyer's croton,[2] giradol,[2] or turnsole[2]) is a plant species native to the Mediterranean, the Middle East, India, Pakistan, and Central Asia.[1][3][4][5]

Chrozophora tinctoria produced the blue-purple colorant "turnsole" used in medieval illuminated manuscripts and as a food colorant (Dutch cheese and certain liquors).[6]


  1. ^ a b Kew World Checklist of Selected Plant Families
  2. ^ a b c "Chrozophora tinctoria". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 3 December 2012. 
  3. ^ Altervista Flora Italiana, Tornasole comune, Turn Sole, tournesol, tornasol, Lackmuskraut, Chrozophora tinctoria (L.) A. Juss.
  4. ^ Zervous, S., Raus, T. & Yannitsaros, A. (2009). Additions to the flora of the island of Kalimnos (SE Aegean, Greece). Willdenowia 39: 165-177.
  5. ^ Dobignard, A. & Chatelain, C. (2011). Index synonymique de la flore d'Afrique du nord 3: 1-449. Éditions des conservatoire et jardin botaniques, Genève.
  6. ^ Chrozophora, Folium cloth