C. tinctoria may refer to:
Carthamus tinctorius, or safflower, a thistle-like annual plant Chromodoris tinctoria, a colorful sea slug species Chrozophora tinctoria, a plant species Cladrastis tinctoria, Kentucky yellowwood, a flowering plant native to the Southeastern United States Collinsia tinctoria, the sticky Chinese house, a flowering plant species Collomia tinctoria, the staining collomia, a flowering plant species Coreopsis tinctoria, the plains coreopsis or calliopsis, an annual forb species Cota tinctoria, a perennial flowering plant in the sunflower family
Synonyms Caesalpinia tinctoria or Coulteria tinctoria, two synonyms for Cæsalpinia spinosa, the tara tree, a small tree species native to Peru Coriaria tinctoria), a synonym for Coriaria myrtifolia
See also Tinctoria